Page 1 Technical Reference Guide Compaq Deskpro and Evo Personal Computers Covers Evo D500, Deskpro EN and Deskpro Workstation AP230 Models Featuring Intel Celeron and Pentium III Processors And the Intel 815E Chipset...
Page 3 This document is designed to fit into a standard 3-ring binder. Provided below is a title block that can be copied and/or cut out and placed into a slip or taped onto the edge of the binder. Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors and the Intel 815E Chipset...
Page 5 The information in this document is provided “as is” without warranty of any kind and is subject to change without notice. The warranties for Compaq products are set forth in the express limited warranty statements accompanying such products. Nothing herein should be construed as constituting an additional warranty.
Page 6 Technical Reference Guide Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition –- March 2002...
Page 7: Table Of Contents
PROCESSOR ..........................3-2 3.2.1 CELERON PROCESSOR....................3-2 3.2.2 PENTIUM III PROCESSOR....................3-3 3.2.3 PROCESSOR UPGRADING....................3-4 MEMORY SUBSYSTEM......................3-5 SUBSYSTEM CONFIGURATION.................... 3-8 Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 8 COM1 PORT HEADER...................... 5-9 5.4.3 SERIAL INTERFACE PROGRAMMING................. 5-9 PARALLEL INTERFACE......................5-11 5.5.1 STANDARD PARALLEL PORT MODE ................ 5-11 5.5.2 ENHANCED PARALLEL PORT MODE................ 5-12 Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition –- March 2002...
Page 9 DISPLAY MODES ......................6-7 6.3.2 NVIDIA GRAPHICS PROGRAMMING................6-7 6.3.3 NVIDIA GRAPHICS UPGRADING.................. 6-7 MONITOR POWER MANAGEMENT CONTROL..............6-8 MONITOR CONNECTOR ......................6-8 Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 10 SERIAL INTERFACE ERROR MESSAGES (11 ) ............. A-6 A.11 MODEM COMMUNICATIONS ERROR MESSAGES (12 )........A-7 A.12 SYSTEM STATUS ERROR MESSAGES (16 ) ............A-8 Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition –- March 2002...
Page 11 KEYS...........................C-8 C.2.5 KEYBOARD COMMANDS ....................C-11 C.2.6 SCAN CODES ........................C-11 CONNECTORS ........................C-16 APPENDIX D COMPAQ/NVIDIA TNT2 PRO AGP GRAPHICS CARD ..........INTRODUCTION........................D-1 FUNCTIONAL DESCRIPTION....................D-2 DISPLAY MODES ........................D-3 SOFTWARE SUPPORT INFORMATION ................D-4 POWER MANAGEMENT AND CONSUMPTION..............D-4 CONNECTORS ......................... D-5 D.6.1...
Page 12 Technical Reference Guide APPENDIX F COMPAQ/MATROX MILLENNIUM AGP GRAPHICS CARDS ......... INTRODUCTION........................F-1 FUNCTIONAL DESCRIPTION....................F-2 DISPLAY MODES ........................F-3 SOFTWARE SUPPORT INFORMATION ................F-4 POWER MANAGEMENT AND CONSUMPTION..............F-4 CONNECTORS .......................... F-5 F.6.1 MONITOR CONNECTOR APPENDIX G COMPAQ/ADAPTEC SCSI HOST ADAPTER .............
Page 13: List Of Figures
RAPHICS LOCK DIAGRAM 6-2. 82815 GMCH I ............. 6-3 IGURE NTEGRATED RAPHICS UBSYSTEM 6-3. NVIDIA TNT2 P ................6-6 IGURE RAPHICS UBSYSTEM Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 14 50-P SCSI C ............... G-5 IGURE NTERNAL LTRA ONNECTOR G–5. U 160 SCSI C (68-P ) ............G-6 IGURE LTRA ONNECTOR EADER Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition –- March 2002...
Page 15: List Of Tables
ARALLEL NTERFACE ONFIGURATION EGISTERS 5–11. P ..............5-14 ABLE ARALLEL NTERFACE ONTROL EGISTERS 5–12. DB-25 P ................5-15 ABLE ARALLEL ONNECTOR INOUT Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 16 A–19. P ............. A-11 ABLE OINTING EVICE NTERFACE RROR ESSAGES C–1. K ...................C-11 ABLE EYBOARD YSTEM OMMANDS C–2. K .....................C-12 ABLE EYBOARD ODES Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition –- March 2002...
Page 17 50-P SCSI C ............. G-5 ABLE NTERNAL LTRA ONNECTOR INOUT G–5. U 160 SCSI C .................. G-6 ABLE LTRA ONNECTOR INOUT Compaq Deskpro and Evo Personal Computers xiii Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 18 Technical Reference Guide This page is intentionally blank. Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition –- March 2002...
Page 19: Chapter 1 Introduction
Chapter 1 INTRODUCTION ABOUT THIS GUIDE This guide provides technical information about Compaq Evo, Deskpro EN and Deskpro Workstation AP230 Personal Computers that feature Intel Celeron or Pentium III processors and the Intel 815E chipset. This document describes in detail the system’s design and operation for programmers, engineers, technicians, and system administrators, as well as end-users wanting detailed information.
Page 20: Additional Information Sources
SERIAL NUMBER The unit’s serial number is located on a sticker placed on the exterior cabinet. The serial number may also be read with the Compaq Diagnostics or Compaq Insight Manager utilities. Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors...
Page 21: Notational Conventions
(MSb) on the far left, least significant bit (LSb) at the far right. Byte values in hexadecimal are also shown with the MSB on the left, LSB on the right. Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors...
Page 22: Common Acronyms And Abbreviations
1. coder/decoder; 2. compressor/decompressor Compaq central processing unit CRIMM Continuity (blank) RIMM cathode ray tube Compaq system management / Compaq server management Continued Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition – March 2002...
Page 23 Hertz (cycles-per-second) I/O controller hub integrated drive element IEEE Institute of Electrical and Electronic Engineers interrupt flag interface Continued Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition – March 2002...
Page 24 1. programmable array logic 2. phase alternating line Personal computer Printed circuit assembly peripheral component interconnect pulse code modulation PCMCIA Personal Computer Memory Card International Association Continued Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition – March 2002...
Page 25 Sony/Philips Digital Interface (IEC-958 specification) Spare part number standard parallel port SRAM static RAM Streaming SIMD extensions super twist pneumatic SVGA super VGA software Continued Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition – March 2002...
Page 26 VLSI very large scale integration VRAM Video RAM watt Wake-On-LAN WRAM Windows RAM zero flag zero insertion force (socket) Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition – March 2002...
Page 27: Chapter 2 System Overview
2. Chapter 2 SYSTEM OVERVIEW INTRODUCTION Compaq Deskpro and Evo Personal Computers (Figure 2-1) deliver an outstanding combination of manageability, serviceability, and consistency for enterprise environments. Based on Intel Celeron and Pentium III processors with the Intel 815E Chipset, these systems emphasize performance along with industry compatibility.
Page 28: Features And Options
• Administrator password • Serial/parallel port disable ♦ PS/2 Compaq Easy-Access keyboard w/Windows support ♦ PS/2 Compaq Scroll Mouse Table 2-1 shows the differences in features between the Deskpro series’ based on form factor: Table 2-1. Feature Difference Matrix Table 2-1.
Page 29: Options
Compaq P700 17” CRT Compaq P900 19” CRT Compaq P1100 21” CRT Compaq TFT5010 15” Flat Panel Compaq TFT8020 18” Flat Panel Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 30: Mechanical Design
Configurable Minitower (CMT) – an ATX-type unit providing the most expandability and being adaptable to desktop or floor-standing placement. The following subsections describe the mechanical (physical) aspects of the Compaq Deskpro models. CAUTION: Voltages are present within the system unit whenever the unit is plugged into a live AC outlet, regardless of the “Power On”...
Page 31: Cabinet Layouts
2.3.1 CABINET LAYOUTS 2.3.1.1 Front Views 10 11 10 11 Deskpro EN Slim Desktop Deskpro EN Small Form Factor Evo D500 Small Form Factor Deskpro EN Deskpro Workstation AP230 Deskpro EN Configurable Minitower Configurable Minitower Configurable Minitower (as a Desktop)
Page 32 NOTES: [1] Systems with integrated AC97 audio. [2] Present on configurations including separate AGP graphics card. Figure 2–3. Compaq Deskpros and Evos, Rear Views Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition – March 2002...
Page 33: Chassis Layouts
Lower Drive Bay Front NOTE: [1] Installed on systems with integrated AC97 audio. Figure 2–4. Small Form Factor Chassis Layout, Top View Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 34 [2] Auxiliary chassis fan installed on systems with 933 MHz (or faster) processor. [3] Installed on systems with integrated AC97 audio. Figure 2–5. Slim Desktop Chassis Layout, Top View Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition – March 2002...
Page 35 [2] AGP slot may be populated with graphics card or GPA/AIMM card on some configurations. [3] Installed systems with integrated AC97 audio. Figure 2–6. Configurable Minitower Chassis Layout, Left Side View (Minitower configuration) Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 36: Board Layouts
[2] Jumper installed, password enabled. Jumper removed, password is cleared. [3] Not installed on PCA# 011035. [4] Installed on PCA# 011035 only. Figure 2–7. Small Form Factor Board Layouts 2-10 Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition – March 2002...
Page 37 [3] Not installed on PCA# 011032 only. [4] Audio connector on PCA# 011305. Figure 2–8. Slim Desktop or Configurable Minitower System Board Layout Compaq Deskpro and Evo Personal Computers 2-11 Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 38: System Architecture
Chapter 2 System Overview SYSTEM ARCHITECTURE The Compaq Deskpro and Evo systems covered in this guide feature an architecture based on the Intel Pentium III or Celeron processor working with the Intel 815E chipset (Figure 2-9). All models use SDRAM for system memory, provide AGP 4X graphics support, and include PCI bus expansion capability.
Page 39 Select Deskpro Workstation AP230 models only. [1] Evo D500 and select Deskpro EN models only. [2] All Evo D500 and Workstation AP230 models and select Deskpro EN models. Figure 2–9. Compaq Deskpro Architecture, Block diagram Compaq Deskpro and Evo Personal Computers...
Page 40: Processors
Chapter 2 System Overview 2.4.1 PROCESSORS The Compaq Deskpro EN Series include models based on Celeron and Pentium III processors. All Compaq Deskpro Workstation AP230 models feature the Pentium III processor. These processors are backward-compatible with software written for the Pentium II, Pentium MMX, Pentium Pro, Pentium, and x86 microprocessors.
Page 41 2.4.1.2 Pentium III Processor The Intel Pentium III processor offers maximum performance for select Compaq Deskpros. The Pentium III processor is compatible with software written for Celeron, Pentium II, Pentium MMX, Pentium, and x86 processors. Standard configurations include processors of 667-MHz up to 1.20 GHz, depending on model.
Page 42: Chipset
GPIO ports AD1885 Audio Codec [1] Audio mixer Digital-to-analog converter Analog-to-digital converter Analog I/O NOTE: [1] Systems with embedded AC97 audio. 2-16 Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition – March 2002...
Page 43: System Memory
T or 100BASE-TX operation with a local area network and includes power-down, wake-up, and Alert-On-LAN features. An RJ-45 connector with integrated status LEDs is provided on the rear panel. Compaq Deskpro and Evo Personal Computers 2-17 Featuring Intel Celeron and Pentium III Processors...
Page 44: Graphics Subsystem
Separate card on Deskpro EN SDT/CMT systems. [3] Deskpro EN SFF systems "upgradeable" with PCI graphics card only. [4] Primary RAMDAC. Secondary RAMDAC operates @ 200 MHz. 2-18 Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition – March 2002...
Page 45: Audio Subsystem
The AC’97-equipped Slim Desktop and Configurable Minitower models include a 3-watt output amplifier driving an internal speaker. The AC’97- equipped Small Form Factor models feature Compaq Premier Sound consisting of a five-level equalizer designed to compensate for chassis acoustics and a low-distortion 5-watt amplifier driving a speaker for optimum sound.
Page 46: Table 2-7. Physical Specifications
Read/Write Heads Average Access Time: Track-to-Track (high/low) 3 ms/6 ms Average (high/low) 94 ms/173ms Settling Time 15 ms Latency Average 100 ms 2-20 Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition – March 2002...
Page 47: Table 2-10. Hard Drives
SMART III SMART III SMART III NOTE: Actual times may vary depending on specific drive installed. All EMEA units feature Quiet Drives. Compaq Deskpro and Evo Personal Computers 2-21 Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 48 Chapter 2 System Overview This page is intentionally blank. 2-22 Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition – March 2002...
Page 49: Chapter 3 Processor/Memory Subsystem
Chapter 3 PROCESSOR/MEMORY SUBSYSTEM INTRODUCTION This chapter describes the processor/cache memory subsystem of Compaq Deskpro and Evo Personal Computers covered in this guide. These systems feature a Celeron or Pentium III processor and the 815E chipset (Figure 3-1). The 815E chipset supports up to three SDRAM DIMMs (maximum of four sides, refer to section 3.3 for more information).
Page 50: Celeron Processor
Chapter 3 Processor/Memory Subsystem PROCESSOR The Compaq Deskpro EN is shipped with either a Celeron or Pentium III processor. The Compaq Deskpro Workstation AP230 is shipped with a Pentium III processor. 3.2.1 CELERON PROCESSOR The Celeron processor (Figure 3-2) uses a dual-ALU CPU with branch prediction and MMX support, floating point unit (FPU) for math coprocessing, a 32-KB primary (L1) cache, and a 128- or 256-KB secondary (L2) ECC cache.
Page 51: Pentium Iii Processor
Windows 2000 SSE support with ISV, OpenGL, and DirectX applications Windows NT 4.0 SSE support requires driver and Service Pack 4 (SP5 recommended) Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 52: Processor Upgrading
(going from a Pentium III to a Celeron) may result in problems with resident software that has been “tuned’ to take advantage of the Pentium III processor’s special features and performance. Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors...
Page 53: Memory Subsystem
The SPD format supported by these systems complies with the JEDEC specification for 128-byte EEPROMs. This system also provides support for 256-byte EEPROMs to include additional Compaq-added features such as part number and serial number. The SPD format as supported in this system (SPD rev. 1) is shown in Table 3-3.
Page 54 [7] Field format proposed to JEDEC but not defined as standard at publication time. [8] Field specified as optional by JEDEC but required by this system. [9] Compaq usage. This system requires that the DIMM EEPROM have this space available for reads/writes.
Page 55 DRAM or to PCI space. Graphics RAM area is mapped to PCI or AGP locations. Figure 3–4. System Memory Map Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 56: Subsystem Configuration
[1] = 0090h for AGP (external graphics) implementation; = 0080h for GFX (internal i740) implementation. [2] = 8 for AGP; = 0 for GFX. Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 57: Chapter 4 System Support
For detailed information on specific components, refer to the applicable manufacturer’s documentation. Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 58: Pci Bus Overview
PCI Connector 3 PCI Connector 4 PCI Connector 5 Slim Desktop and Configurable Minitower models only. Figure 4-1. PCI Bus Devices and Functions Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition – March 2002...
Page 59: Pci Bus Transactions
Function Number. Selects function of selected PCI device. 7..2 Register Index. Specifies config. reg. Configuration Cycle Type ID. 00 = Type 0 01 = Type 1 Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 60 AD29 NOTES: [1] Not implemented. [2] PCI bus number given is for standard configuration. [3] Slim Desktop and Configurable Minitower models only. Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition – March 2002...
Page 61: Table 4-2. System Board Pci D
EIDE Controller 8086h 244Bh USB I/F #2 8086h 2444h SMBus Controller 8086h (Hidden) AC97 Audio Controller 8086h 2445h Network Interface Controller 8086h 2449h Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 62: Pci Bus Master Arbitration
Note that most CPU-to-DRAM and AGP-to-DRAM accesses can occur concurrently with PCI traffic, therefore reducing the need for the Host/PCI bridge to compete for PCI bus ownership. Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition – March 2002...
Page 63: Option Rom Mapping
(4 bits) at a time at a 33-MHz rate. Generally transparent in operation, the only consideration required of the LPC bus is during the configuration of DMA channel modes (see section 4.4.3 “DMA”). Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 64: Pci Configuration
FWH Decode Enable 2 Dev. 31 Error Config. Function Disable Register NOTE: [1] Value for each byte. Assume unmarked locations/gaps as reserved. Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition – March 2002...
Page 65: Pci Connector
AD33 AD21 AD20 ACK64- REQ64- AD32 AD19 +5 VDC +5 VDC Reserved Reserved +3.3 VDC AD18 +5 VDC +5 VDC Reserved Reserved Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 66: Agp Bus Overview
FRAME- signal. There are two basic types of transactions on the AGP bus: data requests (addressing) and data transfers. These actions are separate from each other. Compaq Deskpro and Evo Personal Computers 4-10 Featuring Intel Celeron and Pentium III Processors...
Page 67 “000” for low priority and “001” indicating high priority. The signal level for AGP 1X transfers may be 3.3 or 1.5 VDC. GNT- TRDY- ST0..2 Figure 4-5. AGP 1X Data Transfer (Peak Transfer Rate: 266 MB/s) Compaq Deskpro and Evo Personal Computers 4-11 Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 68 AD_STBx-. The signal level for AGP 4X transfers is 1.5 VDC. D3A D3B D4A D4B AD_STBx AD_STBx- ST0..2 Figure 4-7. AGP 4X Data Transfer (Peak Transfer Rate: 1064 MB/s) Compaq Deskpro and Evo Personal Computers 4-12 Featuring Intel Celeron and Pentium III Processors Fifth Edition – March 2002...
Page 69: Agp Configuration
Assume unmarked locations/gaps as reserved. Refer to Intel documentation for detailed register descriptions. The AGP graphics adapter (actually its resident controller) is configured as a standard PCI device. Compaq Deskpro and Evo Personal Computers 4-13 Featuring Intel Celeron and Pentium III Processors...
Page 70: Agp Connector
VDDQ = 3.3 VDC when TYPE DET- is left open by AGP 1X/2X card. VDDQ = 1.5 VDC when TYPE DET- is grounded by AGP 4X card. Compaq Deskpro and Evo Personal Computers 4-14 Featuring Intel Celeron and Pentium III Processors...
Page 71: System Resources
Interrupts may be processed in one of two modes (selectable through the F10 Setup utility): ♦ 8259 mode ♦ APIC mode Compaq Deskpro and Evo Personal Computers 4-15 Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 72: Apic Mode
[1] Connection internal to the ICH2. Will be reported by BIOS as using INTA but is NOT shared with other functions using INTA. [2] Internal graphics controller of the 82815 GMCH, internally wired. Deskpro SDT and CMT systems only. Compaq Deskpro and Evo Personal Computers 4-16 Featuring Intel Celeron and Pentium III Processors Fifth Edition – March 2002...
Page 73: Non-Maskable Interrupts
♦ Microprocessor internal error (activating IERRA or IERRB) The SERR- and PERR- signals are routed through the ICH2 component, which in turn activates the NMI to the microprocessor. Compaq Deskpro and Evo Personal Computers 4-17 Featuring Intel Celeron and Pentium III Processors...
Page 74 APM BIOS to service the SMI- according to the cause of the timeout. Although the SMI- is primarily used for power managment the interrupt is also employed for the QuickLock/QuickBlank functions as well. Compaq Deskpro and Evo Personal Computers 4-18 Featuring Intel Celeron and Pentium III Processors...
Page 75: Direct Memory Access
The PC/PCI DMA mode uses the REQ#/GNT# signals to communicate DMA channel control and is used by PCI expansion devices. Compaq Deskpro and Evo Personal Computers 4-19 Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 76 ♦ The size of the the block of data that can be moved or addressed is measured in 16-bits (words) rather than 8-bits (bytes). ♦ The words must always be addressed on an even boundary. Compaq Deskpro and Evo Personal Computers 4-20 Featuring Intel Celeron and Pentium III Processors...
Page 77 Temporary (Command) 00Dh 0DAh Reset Pointer Flip-Flop (Command) 00Ch 0D8h Master Reset (Command) 00Dh 0DAh Reset Mask Register (Command) 00Eh 0DCh Compaq Deskpro and Evo Personal Computers 4-21 Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 78: System Clock Distribution
Routed to AGP slot on Slim Desktop and Configurable Minitower. Certain clock outputs are turned off during reduced power modes to conserve energy. Clock output control is handled through the SMBus interface by BIOS. Compaq Deskpro and Evo Personal Computers 4-22 Featuring Intel Celeron and Pentium III Processors...
Page 79: Real-Time Clock And Configuration Memory
6. Reconnect the AC power cord to the outlet and/or system unit. 7. Turn the unit on. To clear only the Power-On Password refer to section 4.7.1.1. Compaq Deskpro and Evo Personal Computers 4-23 Featuring Intel Celeron and Pentium III Processors...
Page 80: Cmos Archive And Restore
Assume unmarked gaps are reserved. Higher locations (>3Fh) contain information that should be accessed using the INT15, AX=E845h BIOS function (refer to Chapter 8 for BIOS function descriptions). Compaq Deskpro and Evo Personal Computers 4-24 Featuring Intel Celeron and Pentium III Processors...
Page 81 RTC Status Register D, Byte 0Dh Function RTC Power Status 0 = RTC has lost power 1 = RTC has not lost power 6..0 Reserved Compaq Deskpro and Evo Personal Computers 4-25 Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 82 1101 = Type 13 0110 = Type 6 1110 = Type 14 0111 = Type 7 1111 = other (use bytes 1Ah) Compaq Deskpro and Evo Personal Computers 4-26 Featuring Intel Celeron and Pentium III Processors Fifth Edition – March 2002...
Page 83 Configuration Bytes 17h and 18h, Extended Memory Size Bytes 17h and 18h hold a 16-bit value that specifies the extended memory size in 1-KB increments. Compaq Deskpro and Evo Personal Computers 4-27 Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 84 1 = Not allowed Reserved Diagnostic Status Byte Address 00 = Memory locations 80C00000h-80C00004h 01 = I/O ports 878h-87Ch 11 = neither place Compaq Deskpro and Evo Personal Computers 4-28 Featuring Intel Celeron and Pentium III Processors Fifth Edition – March 2002...
Page 85 Internal Compaq Memory: 00000 = None 00001 = 512 KB 00010 = 1 MB 00011 = 1.5 MB 11111 = 15.5 MB Compaq Deskpro and Evo Personal Computers 4-29 Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 86 0 = No screen blank 1 = Screen blank w/QuickLock 4..0 ScreenSave Timeout. (Index to SIT monitor timeout record) 000000 = Disabled Compaq Deskpro and Evo Personal Computers 4-30 Featuring Intel Celeron and Pentium III Processors Fifth Edition – March 2002...
Page 87 Standard Numeric Coprocessor Present: 0 = Not installed, 1 = Installed 3..0 Reserved Configuration Byte 34h, International Language Support Default Value = 00h Compaq Deskpro and Evo Personal Computers 4-31 Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 88 0 = No single bit error detected. 1 = Single bit error detected. Configuration Byte 37h-3Fh, Power-On Password These eight locations hold the power-on password. Compaq Deskpro and Evo Personal Computers 4-32 Featuring Intel Celeron and Pentium III Processors Fifth Edition – March 2002...
Page 89: System Management
The Setup utility may be configured to be always changeable or changeable only by entering a password. The password is held on CMOS and, if forgotten, will require that CMOS be cleared (refer to section 4.6). Compaq Deskpro and Evo Personal Computers 4-33 Featuring Intel Celeron and Pentium III Processors...
Page 90: Cable Lock Provision
LPC47B357 I/O controller provide the lock and unlock signals to the solenoid. A locked hood may be bypassed by removing special screws that hold the locking mechanism in place. The special screws are removed with the Compaq Smart Cover Lock Failsafe Key (Compaq p/n xxxxxx).
Page 91: Power Management
[4] All LEDs will blink in sync twice, accompanied by 1 long and three short audio beeps [5] LEDs will blink in sequence (NUM Lock, then CAPs Lock, then Scroll Lock) [6] Accompanied by rising audio tone. Compaq Deskpro and Evo Personal Computers 4-35 Featuring Intel Celeron and Pentium III Processors...
Page 92: Thermal Sensing And Cooling
3. Hot power supply – Power supply increases speed of fan(s). 4. Sleep state – Fan(s) turned off. Hot processor or power supply will result in starting fan(s). Compaq Deskpro and Evo Personal Computers 4-36 Featuring Intel Celeron and Pentium III Processors...
Page 93 NOTES: [1] Will be +12 VDC if chassis or boxed fan is connected and turned on. Figure 4-12. Slim Desktop/Configurable Minitower Fan Control Block Diagram Compaq Deskpro and Evo Personal Computers 4-37 Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 94: Register Map And Miscellaneous Functions
NOTE: Assume unmarked gaps are unused, reserved, or used by functions that employ variable I/O address mapping. Some ranges may include reserved addresses. Compaq Deskpro and Evo Personal Computers 4-38 Featuring Intel Celeron and Pentium III Processors Fifth Edition – March 2002...
Page 95: 82801 Ich2 General Purpose Functions
Direction PS LED NIC REQ5 IRQE- IRQF- IRQG- IRQH- HD LED TAFI ASIC Interrupt Password enable NOTE: NC = not connected Compaq Deskpro and Evo Personal Computers 4-39 Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 96: Lpc47B357 I/O Controller Functions
3. Write 30h to I/O register 2Eh. 4. Write 01h to I/O register 2Fh (this activates the interface). Writing AAh to 2Eh deactivates the configuration phase. Compaq Deskpro and Evo Personal Computers 4-40 Featuring Intel Celeron and Pentium III Processors...
Page 97 Pwr SEL FWH Reset S3 3.3 VDC On Diskette Motor A Diskette Select A NOTE: [1] Not implemented on Configurable Minitower models. Compaq Deskpro and Evo Personal Computers 4-41 Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 98 PS On signal according to the mode (legacy or ACPI) selected. Refer to chapter 7 for more information regarding power management. Compaq Deskpro and Evo Personal Computers 4-42 Featuring Intel Celeron and Pentium III Processors...
Page 99: Chapter 5 Input/Output Interfaces
5.2.1 IDE PROGRAMMING The IDE interface is configured as a PCI device during POST and controlled through I/O-mapped registers at runtime. Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 100: Ide Bus Masterc
Bus Master IDE Descriptor Pointer (Sec.) 0000 0000h NOTE: Unspecified gaps are reserved, will return indeterminate data, and should not be written to. 5-2 Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition – March 2002...
Page 101: Ide Connector
[4] Primary connector wired to IRQ14, secondary connector wired to IRQ15. [5] Pin 39 is used for spindle sync and drive activity (becomes SPSYNC/DACT-) when synchronous drives are connected. Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 102: Diskette Drive Interface
Result phase, in which case the Execution phase can be followed by a Command phase. During periods of inactivity, the diskette drive controller is in a non-operation mode known as the Idle phase. 5-4 Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition – March 2002...
Page 103: Diskette Drive Programming
Table 5-5. The diskette drive controller of the LPC47B357 operates in the PC/AT mode in these systems. Table 5–5. Diskette Drive Interface Control Registers Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 104 <1,0> Data rate select (00 = 500 Kb/s, 01 = 300 Kb/s, 10 = 250 Kb/s, 11 = 2/1 Mb/s) NOTE: The most recently written data rate value to either DRSR or CCR will be in effect. 5-6 Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition – March 2002...
Page 105: Diskette Drive Connector
SIDE SEL- Head select (side 0 or 1) MTR 2 ON- Activates drive motor Ground Ground DSK CHG- Drive door opened indicator Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 106: Serial Interface
The standard RS-232-C limitation of 50 feet (or less) of cable between the DTE (computer) and DCE (modem) should be followed to minimize transmission errors. Higher baud rates may require shorter cables. 5-8 Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition – March 2002...
Page 107: Com1 Port Header
Function Activate Base Address MSB Base Address LSB Interrupt Select Mode Register NOTE: Refer to LPC47B357 data sheet for detailed register information. Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 108: Table 5-9. Serial Interfacec
FIFO Control Register 3FBh 2FBh Line Control Register 3FCh 2FCh Modem Control Register 3FDh 2FDh Line Status Register 3FEh 2FEh Modem Status 5-10 Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition – March 2002...
Page 109: Parallel Interface
The SPP mode uses three registers for operation: the Data register (DTR), the Status register (STR) and the Control register (CTR). Address decoding in SPP mode includes address lines A0 and A1. Compaq Deskpro and Evo Personal Computers 5-11 Featuring Intel Celeron and Pentium III Processors...
Page 110: Enhanced Parallel Port Mode
ECP allow the parallel port to be controlled by software. In these modes, the FIFO is cleared and not used, and DMA and RLE are inhibited. 5-12 Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors...
Page 111: Parallel Interface Programming
Reset Address Function Value Activate Base Address MSB Base Address LSB Interrupt Select DMA Channel Select Mode Register Mode Register 2 Compaq Deskpro and Evo Personal Computers 5-13 Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 112 Configuration Register B LPT1,2,3 Base + 402h Extended Control Register LPT1,2,3 Base Address: LPT1 = 378h LPT2 = 278h LPT3 = 3BCh 5-14 Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition – March 2002...
Page 113: Parallel Interface Connector
ECP modes: Auto Feed or Host Acknowledge [3] EPP mode: user defined ECP modes:Fault or Peripheral Req. [4] EPP mode: Reset ECP modes: Initialize or Reverse Req. Compaq Deskpro and Evo Personal Computers 5-15 Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 114: Keyboard/Pointing Device Interface
8 us 20 us Tsh (Stop Bit Hold) 15 us 25 us Figure 5-6. 8042-To-Keyboard Transmission of Code EDh, Timing Diagram 5-16 Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition – March 2002...
Page 115 8042 detected error in keyboard transmission. Reset Resets program, runs keyboard BAT, defaults to Mode 2. Note: [1] Used in Mode 3 only. Compaq Deskpro and Evo Personal Computers 5-17 Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 116: Pointing Device Interface Operation
Table 5–14. Keyboard Interface Configuration Registers Table 5-14. Keyboard Interface Configuration Registers Index Address Function Activate Primary Interrupt Select Secondary Interrupt Select Reset and A20 Select 5-18 Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition – March 2002...
Page 117 Table 5-15 lists the commands that can be sent to the 8042 by the CPU. The 8042 uses IRQ1 for gaining the attention of the CPU. Compaq Deskpro and Evo Personal Computers 5-19 Featuring Intel Celeron and Pentium III Processors...
Page 118 Pulse output port. Controls the pulsing of bits <3..0> of the output port (0 = pulse, 1 = don’t pulse). Note that pulsing bit <0> will reset the system. 5-20 Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors...
Page 119: Keyboard/Pointing Device Interface Connector
Table 5-16. Keyboard/Pointing Device Connector Pinout Signal Description Signal Description DATA Data + 5 VDC Power Not Connected Clock Ground Not Connected Compaq Deskpro and Evo Personal Computers 5-21 Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 120: Universal Serial Bus Interface
1’s is transmitted (normally resulting in a steady signal level) a 0 is inserted after every six consecutive 1’s to ensure adequate signal transitions in the data stream. 5-22 Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors...
Page 121 Data is transferred LSb first. A cyclic redundancy check (CRC) is applied to all packets (except a handshake packet). A packet causing a CRC error is generally completely ignored by the receiver. Compaq Deskpro and Evo Personal Computers 5-23 Featuring Intel Celeron and Pentium III Processors...
Page 122: Usb Programming
Frame List Base Address 0000h Start of Frame Modify 10, 11h Port 1 Status/Control 0080h 12, 13h Port 2 Status/Control 0080h Test Data 5-24 Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition – March 2002...
Page 123: Usb Connector
Color code: Signal Insulation color Data + Green Data - White Ground Black Compaq Deskpro and Evo Personal Computers 5-25 Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 124: Audio Subsystem
Line In (Record In) jacks, an amplifier’s Line In jacks, or to powered speakers that contain amplifiers. Plugging into the Line Out mutes the internal speaker. 5-26 Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors...
Page 125 CD Audio (L) Sense CD ROM CD Audio (R) HP Out Audio (L/R) Headphones Figure 5-11. Audio Subsystem Functional Block Diagram Compaq Deskpro and Evo Personal Computers 5-27 Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 126: Ac97 Audio Controller
Bits 3-0 all zeros Modem codec data (not used in this system) 6-11 Reserved I/O control Figure 5-12. AC’97 Link Bus Protocol 5-28 Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition – March 2002...
Page 127: Audio Codec
The microphone input is the default active input. All block functions are controlled through index-addressed registers of the codec. Compaq Deskpro and Evo Personal Computers 5-29 Featuring Intel Celeron and Pentium III Processors...
Page 128: Audio Programming
10h Line In Vol. 8808h 24h Reserved 7Ch Vender ID1 4144h 12h CD Vol. 8808h 26h Pwr Mgnt. 000xh 7Eh Vender ID2 5340h 5-30 Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition – March 2002...
Page 129: Audio Specifications
Input Gain Attenuation Range 46.5 db Master Volume Range -94.5 db Frequency Response: Codec 20-20 KHz Speaker (Small Form Factor) 450 - 4000 Hz Compaq Deskpro and Evo Personal Computers 5-31 Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 130: Network Interface Controller
The NIC uses 3.3 VDC auxiliary power, which allows the controller to support Wake-On-LAN (WOL) and Alert-On-LAN (AOL) functions while the main system is powered down. 5-32 Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors...
Page 131: Wake On Lan Support
The AOL implementation requirements are as follows: 1. Intel PRO/100 VM Network Connection drivers 3.80 or later (available from Compaq). 2. Intel Alert-On-LAN Utilities, version 2.5 (available from Compaq). 3. Management console running one of the following: HP OpenView Network Node Manager 6.x...
Page 132: Power Management Support
The PROSet Application software (pre-installed and accessed through the System Tray or Windows Control Panel) allows configuration of operational parameters such as WOL and duplex mode. 5-34 Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition – March 2002...
Page 133: Nic Programming
14h Rx Direct Mem. Access Byte Cnt. 38h Function Present State Register 18h Early Receive Interrupt 20h Force Event Register Not implemented in these systems (CardBus registers). Compaq Deskpro and Evo Personal Computers 5-35 Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 134: Nic Connector
Intel PRO/100 Boot Agent (PXE 3.0, RPL) F12 BIOS Support Bus Interface PCI 2.2 Power Management Support APM, ACPI, PCI Power Management Spec. 5-36 Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition – March 2002...
Page 135: Nic Upgrading/Changing
Hood Sensor Intrusion Fan Alert Thermal Fan Therm. ASIC Connector Not connected on Configurable Minitower models. Figure 5-17. RSA Logic, Block Diagram Compaq Deskpro and Evo Personal Computers 5-37 Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 136 3. 3Com EtherDisk Driver 5.x or later (available from Compaq). 4. Client-side utility software (included with driver). 5. Server-side utility software (called 3Com Remote System Alert Manager on the compaq.com web site ). 6. Management console running one of the following: HP OpenView Network Node Manager 6.x...
Page 137: Chapter 6 Embedded Graphics Subsystem
6-2 ♦ NVIDIA-based graphics subsystem (6.3) page 6-6 ♦ Monitor power management (6.4) page 6-8 ♦ Monitor connector (6.5) page 6-8 Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 138: Intel 815E-Based Graphics Subsystem
3D operation. The additional Display Cache allows the graphics controller to simultaneously render graphics to the Z-buffer (in the display cache) while processing textures in a portion of system memory. Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 139: Feature Summary
♦ Accelerator engine support for: • 3-ROP BitBLT • Line Draw • Color expansion • Video color conversion/scaling • Motion video • Triangle setup Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 140: Display Modes
♦ w/Windows 98 and 32 megabytes of system memory – 9 megabytes ♦ w/Windows 98, NT 4.0, or 2000 and 64/128 megabytes of system memory – 12 megabytes Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors...
Page 141: Based Graphics Programming
However, dual-monitor support is possible by adding a PCI-type graphics card. Compaq Deskpro EN Slim Desktop/Configurable Minitower: Upgrading the AGP graphics is facilitated by replacing the existing GPA card with an AGP graphics adapter card. During POST, the BIOS will detect the presence of the AGP graphics adapter on the AGP bus and disable the 815E-based graphics controller.
Page 142: Nvidia Graphics Subsystem
This solution is resident on the system board in Compaq Deskpro EN Small Form Factor systems and as a separate AGP card in Compaq Deskpro EN Slim Desktop and Configurable Minitower systems. This subsection describes only the on- board NVIDIA graphics subsystem used on Small Form Factor systems.
Page 143: Display Modes
The method of upgrading the NVIDIA graphics controller is determined by the system type. Compaq Deskpro EN Small Form Factor: No AGP slot is provided for upgrading the NVIDIA graphics on Deskpro EN SFF models, which have the NVIDIA graphics controller embedded on the system board.
Page 144: Monitor Power Management Control
G GND Blue Analog Ground DDC2-B Clock B GND Green Analog Ground NOTES: [1] Fuse automatically resets when excessive load is removed. Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 145: Chapter 7 Power Supply And Distribution
Drives Power Supply 110/230 VAC +12 VDC Assembly Select SW -12 VDC 230 VAC Figure 7–1. Power Distribution and Control, Block Diagram Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 146: Power Supply Assembly
[2] Surge duration no longer than 10 seconds and +12 tolerance +/- 10%. [3] Maximum combined power provided by +3.3 and +5 VDC outputs should not exceed 135 watts. Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors...
Page 147: Power Control
Blinks red @ 4 Hz Thermal condition: processor has overheated and shut down (later systems using PCA#s 011305, 011308, or 011311 power done for this condition). Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 148: Wake Up Events
PS On. Note that the PCI card must be PCI ver. 2.2 compliant to support this function. Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 149: Power Distribution
GND = Power ground RS = Remote sense FO = Fan off FS = Fan speed Figure 7–2. Small Form Factor Power Cable Diagram Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 150: Figure 7-3. Slim
RS = Remote sense FO = Fan off FSpd = Fan speed FS = Fan Sink Figure 7–3. Slim Desktop/Configurable Minitower Power Cable Diagram Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 151: Low Voltage Distribution
Refer to Chapter 3 for a listing of the core voltages set by the Celeron (Table 3-1) and Pentium III (Table 3-2) processors. Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 152: Signal Distribution
[1] Connector mounted on rear chassis panel. PCA #010633 and 010700 only. PCA #011035 has speaker mounted on system board. Figure 7–5. Small Form Factor Signal Distribution Diagram Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 153: Figure 7-6. Slim Desktop /C
Models with AGP graphics controller card. Select Workstation AP230 models only. [1] See Figure 7-8 for header pinout. Figure 7–6. Slim Desktop/Configurable Minitower Models Signal Distribution Diagram Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 154: Figure 7-7. Header Pinouts
No polarity consideration required for connection to speaker header P6 or SCSI HD LED header P29. [1] Separate cable connection for these two pins (equivalent of header P29 on other systems). Figure 7–7. Header Pinouts 7-10 Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 155: Chapter 8 Bios Rom
8-13 ♦ PnP support (8.6) page 8-15 ♦ Power management functions (8.7) page 8-17 ♦ USB legacy support (8.8) page 8-24 Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 156: Rom Flashing
Upgrading the BIOS is not normally required but may be necessary if changes are made to the unit’s operating system, hard drive, or processor. All BIOS ROM upgrades are available directly from Compaq. Flashing is done either locally with a ROMPaq diskette or remotely using the network boot function (described in the section 8.3.2).
Page 157: Changeable Splash Screen
The utility checks to insure that the specified image meets the splash screen requirements listed above or it will not be loaded into the ROM. Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 158: Boot Functions
These systems include, as standard, an integrated Intel 82562-equivalent NIC with Preboot Execution Environment (PXE) ROM and can boot with a NetPC-compliant server. Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 159: Memory Detection And Configuration
ROM failure. blink Num, Caps, Scroll Lock LEDs none Network service mode blink in sequence NOTE: [1] Provided with PS/2 keyboard only. Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 160: Setup Utility
Specifies the active data transfer mode. Options (subject to device capabilities) are PIO 0, Max PIO, Enhanced DMA, Ultra DMA 0, and Max UDMA. Continued Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 161 Diskette MBR Validation enabled, you may need to disable this option in order to use the diskette. Continued Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 162 Computer Setup options, flash the ROM, and make changes to certain plug and play settings under Windows. Also, this password must be set in order to use some Compaq remote security tools. See the Troubleshooting Guide for more information. Power-On Password Allows user to set and enable power-on password.
Page 163 (these ID numbers are normally set in the factory and are used to uniquely identify the system) Keyboard locale setting (e.g., English or German) for System ID entry. Continued Compaq Deskpro and Evo Personal Computers Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 164 Lists currently installed PCI devices and their IRQ settings. Allows you to reconfigure IRQ settings for these devices or to disable them entirely. Continued Compaq Deskpro and Evo Personal Computers 8-10 Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 165 Appears only if there are multiple PCI video adapters in the system. Allows users to specify which VGA controller will be the “boot” or primary VGA controller. Compaq Deskpro and Evo Personal Computers 8-11 Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 166: Client Management Functions
Chapter 8 BIOS ROM CLIENT MANAGEMENT FUNCTIONS Table 8-4 lists the client management BIOS functions supported by the systems covered in this guide. These functions, designed to support intelligent manageability applications, are Compaq- specific unless otherwise indicated. Table 8-4. Client Management Functions (INT15) Table 8-4.
Page 167 = Value to use as the selector LIMIT for the service = Entry point for the service relative to the BASE returned in EBX The following subsections provide a brief description of key Client Management functions. Compaq Deskpro and Evo Personal Computers 8-13 Featuring Intel Celeron and Pentium III Processors...
Page 168: System Id And Rom Type
684h 686P2 CPQ0005 The ROM family and version numbers can be verified with the Setup utility or the Compaq Insight Manager or Diagnostics applications. 8.5.2 EDID RETRIEVE The BIOS function INT 15, AX=E813h is a tri-modal call that retrieves the VESA extended display identification data (EDID).
Page 169: Temperature Status
Normal, Caution, or Critical condition. 8.5.4 DRIVE FAULT PREDICTION The Compaq BIOS directly supports Drive Fault Prediction for IDE-type hard drives. This feature is provided through two Client Management BIOS calls. Function INT 15, AX=E817h is used to retrieve a 512-byte block of drive attribute data while the INT 15, AX=E81Bh is used to retrieve the drive’s warranty threshold data.
Page 170: Smbios
NOTE: System information on these systems is handled exclusively through the SMBIOS. The System Information Table (SIT) method (and it’s associated BIOS functions) used on previous systems is no longer supported. Compaq Deskpro and Evo Personal Computers 8-16 Featuring Intel Celeron and Pentium III Processors...
Page 171: Power Management Functions
Setup utility for being disabled or counting down 10, 15, 20, 30, 60, 120, 180, or 240 minutes, after which time the hard drive will spin down. Compaq Deskpro and Evo Personal Computers 8-17 Featuring Intel Celeron and Pentium III Processors...
Page 172: System Standby
Since the BIOS returns to the currently running software, it is possible for the drive to spin up while the system is in Standby with the screen blanked. Compaq Deskpro and Evo Personal Computers 8-18 Featuring Intel Celeron and Pentium III Processors...
Page 173: Acpi Support
APM functions in the ROM. Table 8-6 lists all the APM calls that the O/S can make to the BIOS. These functions are the major difference between PM and APM. Compaq Deskpro and Evo Personal Computers 8-19 Featuring Intel Celeron and Pentium III Processors...
Page 174 Enable/Disable Timer Based Enables or disables the BIOS's generation of global Standby and Request global Suspend requests based on inactivity timers. Compaq Deskpro and Evo Personal Computers 8-20 Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 175: System Timer
NOTE: The O/S (Win98 and later) can use the "Enable/Disable Timer Based Request" APM BIOS call to disable the system timer the BIOS uses so that the O/S can have direct control of the timing. Compaq Deskpro and Evo Personal Computers 8-21 Featuring Intel Celeron and Pentium III Processors...
Page 176 Steps B and C are repeated until a wake-up event occurs. NOTE: These systems will not turn the fan(s) off as in previous systems. Compaq Deskpro and Evo Personal Computers 8-22 Featuring Intel Celeron and Pentium III Processors...
Page 177: Usb Legacy Support
PS/2 data. The data will be passed to the keyboard controller and processed as in the PS/2 interface. Changing the delay and/or typematic rate of a USB keyboard though BIOS function INT 16 is not supported. Compaq Deskpro and Evo Personal Computers 8-23 Featuring Intel Celeron and Pentium III Processors...
Page 178 Chapter 8 BIOS ROM This page is intentionally blank. Compaq Deskpro and Evo Personal Computers 8-24 Featuring Intel Celeron and Pentium III Processors Fifth Edition - March 2002...
Page 179: Appendix A Error Messages And Codes
INTRODUCTION This appendix lists the error codes and a brief description of the probable cause of the error. NOTE: Errors listed in this appendix are applicable only for systems running Compaq BIOS. NOTE: Not all errors listed in this appendix may be applicable to a particular system model and/or configuration.
Page 180: Power-On Self Test (Post) Messages
MBR has changed since the backup was made. Setup to Restore the MBR. 2000-Master boot Record hard drive The hard drive has been changed. Use Setup to create a backup of has changed the new hard drive. Compaq Personal Computers Changed - November 2000...
Page 181: System Error Messages
CMOS not properly initialized (clk test) NOTE: A 102 message code may be caused by one of a variety of processor-related problems that may be solved by replacing the processor, although system board replacement may be needed. Compaq Personal Computers Changed – November 2000...
Page 182: Memory Error Messages
No Make code observed 303-02 LED test, reset test failed 304-05 Cannot /disable repeat key feature 303-03 LED test, reset failed 304-06 Unable to return to Normal mode 303-04 LED test, LED command test failed Compaq Personal Computers Changed - November 2000...
Page 183: Printer Error Messages
Gray scale test failed 506-01 80x25 mode, 8x8 cell test failed 514-01 White screen test failed 507-01 40x25 mode test failed 516-01 Noise pattern test failed See Table A-14 for additional graphics messages. Compaq Personal Computers Changed – November 2000...
Page 184: Diskette Drive Error Messages
Comm port setup error (run Setup) 1101-10 COM1 set to invalid INT 1151-xx COM1 address conflict 1101-11 COM2 set to invalid INT 1152-xx COM2 address conflict 1101-12 DRVR/RCVR cntrl. signal failure 1155-xx COM port address conflict Compaq Personal Computers Changed - November 2000...
Page 185: A.11 Modem Communications Error Messages (12 Xx - Xx )
Modem time-out waiting for remote connection NOTES: [1] Local loopback mode [2] Analog loopback originate mode [3] Analog loopback answer mode [4] Modem auto originate test [5] Modem auto answer test [6] Modem direct connect test Compaq Personal Computers Changed – November 2000...
Page 186: System Status Error Messages
1715-xx = Hard drive head select test 1792-xx = Se. controller failure 1716-xx = Hard drive conditional format test 1793-xx = Sec. Controller or disk failure 1717-xx = Hard drive ECC test 1799-xx = Invalid hard drive type Compaq Personal Computers Changed - November 2000...
Page 187: Hard Drive Error Messages
Lightpen graphics test failed, no resp. 2477-xx AVGA data path test failed 2417-04 Lightpen graphics tst failed, invalid resp. 2478-xx AVGA BitBLT test failed 2418-01 EGA memory test failed 2480-xx AVGA linedraw test failed Compaq Personal Computers Changed – November 2000...
Page 188: Audio Error Messages (3206- Xx
Ethernet reset test failed 6068-xx Token ring int. loopback test failed 6028-xx Ethernet int. loopback test failed 6069-xx Token ring ext. loopback test failed 6029-xx Ethernet ext. loopback test failed 6089-xx Token ring open A-10 Compaq Personal Computers Changed - November 2000...
Page 189: Scsi Interface Error Messages
8601-09 Mouse loopback test failed 8601-04 Right mouse button is inoperative 8601-10 Pointing device is inoperative 8601-05 Right mouse button is stuck closed 8602-xx I/F test failed 8601-06 Left block not selected Compaq Personal Computers A-11 Changed – November 2000...
Page 190 Appendix A Error Messages and Codes This page is intentionally blank. A-12 Compaq Personal Computers Changed - November 2000...
Page 191: Appendix B Ascii Character Set
Figure B–1. ASCII Character Set Table B-1. ASCII Character Set Symbol Symbol Symbol Symbol Blank Space ‘ “ ♥ ♦ ♣ ♠ & ‘ ¶ § ↑ ↓ → ← < ↔ > Continued Compaq Personal Computers Changed - July 2000...
Page 192 94, 95 Shift and key w/corresponding symbol Key w/corresponding symbol 97-126 Key w/corresponding symbol or Shift and key w/corresponding symbol and Caps Lock active Ctrl - 128-255 Alt and decimal digit(s) of desired character Compaq Personal Computers Changed - July 2000...
Page 193: Appendix Ckeyboard
Appendix C KEYBOARD INTRODUCTION This appendix describes the Compaq keyboard that is included as standard with the system unit. The keyboard complies with the industry-standard classification of an “enhanced keyboard” and includes a separate cursor control key cluster, twelve “function” keys, and enhanced programmability for additional functions.
Page 194: Keystroke Processing
(and the respective key strokes) are lost. Multi-byte sequences must fit entirely into the buffer before the respective keystroke can be registered. Compaq Personal Computers Changed - July 2000...
Page 195: Ps/2-Type Keyboard Transmissions
8042-type logic of the system unit responds to scan code reception by asserting IRQ1, which is processed by the interrupt logic and serviced by the CPU with an interrupt service routine. The service routine takes the appropriate action based on which key was pressed. Compaq Personal Computers Changed –- July 2000...
Page 196: Usb-Type Keyboard Transmissions
Packets received at the system’s USB I/F and decoded as originating from the keyboard result in an SMI being generated. An SMI handler routine is invoked that decodes the data and transfers the information to the 8042 keyboard controller where normal (legacy) keyboard processing takes place. Compaq Personal Computers Changed - July 2000...
Page 197: Keyboard Layouts
C.2.3 KEYBOARD LAYOUTS Figures C-3 through C-8 show the key layouts for keyboards shipped with Compaq systems. Actual styling details including location of the Compaq logo as well as the numbers lock, caps lock, and scroll lock LEDs may vary.
Page 198: Figure C-5. U.s. Englishw
Appendix C Keyboard C.2.3.2 Windows Enhanced Keyboards Figure C–5. U.S. English Windows (101W-Key) Keyboard Key Positions Figure C–6. National Windows (102W-Key) Keyboard Key Positions Compaq Personal Computers Changed - July 2000...
Page 199: Figure C-7. 7-Button Easya
Btn 2 Btn 3 Btn 4 Btn 5 Btn 6 Btn 7 Btn 8 NOTE: Main key positions same as Windows Enhanced (Figures C-5 or C-6). Figure C–8. 8-Button Easy Access Keyboard Layout Compaq Personal Computers Changed –- July 2000...
Page 200: Keys
The key that is pressed to resume operation is discarded. This function may be ignored by the application. The Esc, Fn (function), Insert, Home, Page Up/Down, Delete, and End keys operate at the discretion of the application software. Compaq Personal Computers Changed - July 2000...
Page 201 The combination keystroke of the Window Logo + 1-0 keys are reserved for OEM use for auxiliary functions (speaker volume, monitor brightness, password, etc.). Key position 112 (marked with an application window icon ) is used in combination with other keys for invoking Windows application functions. Compaq Personal Computers Changed –- July 2000...
Page 202 7-Button Easy Access Keyboard: Button # Description Default Function Check email Email Go to community Emoney Extra web site Compaq web site Go to favorite web site AltaVista web site Internet search Search Instant answer Travel expenses E-commerce Shopping 8-Button Easy Access Keyboard:...
Page 203: Keyboard Commands
F0h (i.e., Break code for 0Eh is “F0h 0Eh”). ♦ Mode 3: Mode 3 generates a different scan code set from Modes 1 and 2. Code translation must be disabled since translation for this mode cannot be done. Compaq Personal Computers C-11 Changed –- July 2000...
Page 204 E0 F0 12 E0 4A/E0 F0 4A E0 12 [1] 37/B7 7C/F0 7C 7E/na 4A/CA 7B/F0 7B 84/na 0F/8F 0D/F0 0D 0D/na 10/90 15/F0 15 15/na Continued ([x] Notes listed at end of table.) C-12 Compaq Personal Computers Changed - July 2000...
Page 205 1A/F0 1A 1A/F0 1A 2D/AD 22/F0 22 22/F0 22 2E/AE 21/F0 21 21/F0 21 2F/AF 2A/F0 2A 2A/F0 2A 30/B0 32/F0 32 32/F0 32 Continued ([x] Notes listed at end of table.) Compaq Personal Computers C-13 Changed –- July 2000...
Page 206 E0 F0 12 E0 2F/E0 F0 2F E0 12 [5] E0 2A E0 5D E0 DD E0 AA [6] E0 12 E0 2F/E0 F0 2F E0 F0 12 [6 Continued ([x] Notes listed at end of table.) C-14 Compaq Personal Computers Changed - July 2000...
Page 207 [5] Left Shift key active. For active right Shift key, substitute F0 12/12 make/break codes for F0 59/59 codes. [6] Num Lock key active. [7] Windows keyboards only. [8] 7-Button Easy Access keyboard. [9] 8-Button Easy Access keyboard. Compaq Personal Computers C-15 Changed –- July 2000...
Page 208: Connectors
Appendix C Keyboard CONNECTORS Two types of keyboard interfaces are used in Compaq systems: PS/2-type and USB-type. System units that provide a PS/2 connector will ship with a PS/2-type keyboard but may also support simultaneous connection of a USB keyboard. Systems that do not provide a PS/2 interface will ship with a USB keyboard.
Page 209: Appendix D Compaq/Nvidia Tnt2 Pro Agp Graphics Card
This card (layout shown in the following figure) installs in a system’s AGP slot. The Compaq/NVIDIA TNT2 Pro graphics card (P/N 189998-B21) provides high 2D performance as well as 3D capabilities.
Page 210: Figure D-2. Nvidia Tnt2 Pro
Appendix D Compaq/NVIDIA TNT2 Pro AGP Graphics Card FUNCTIONAL DESCRIPTION The NVIDIA TNT2 Pro-SD Graphics Card provides high performance 2D and 3D display imaging. The card’s AGP design provides an economical approach to 3D processing by off- loading 3D effects such as texturing, z-buffering and alpha blending to the system memory while 16 megabytes of on-board SGRAM stores the main display image.
Page 211: Table D-1. Nvidia Tnt2 Pro
1600 x 1200 1600 x 1200 1600 x 1200 16.7M 1800 x 1440 1800 x 1440 1800 x 1440 16.7M 1920 x 1080 1920 x 1080 1920 x 1080 16.7M 1920 x 1200 Compaq Personal Computers Original - July 2000...
Page 212: Software Support Information
Appendix D Compaq/NVIDIA TNT2 Pro AGP Graphics Card SOFTWARE SUPPORT INFORMATION The NVIDIA TNT2 Pro graphics card is fully compatible with software written for legacy video modes (VGA, EGA, CGA) and needs no driver support for those modes. Drivers are provided with or available for the card to provide extended mode support for the current operating systems and programming environments such as: ♦...
Page 213: Connectors
HSync Horizontal Sync R GND Red Analog Ground VSync Vertical Sync G GND Green Analog Ground DDC2-B Clock B GND Blue Analog Ground NOTES: [1] Fuse automatically resets when excessive load is removed. Compaq Personal Computers Original - July 2000...
Page 214 Appendix D Compaq/NVIDIA TNT2 Pro AGP Graphics Card This page is intentionally blank. Compaq Personal Computers Original - July 2000...
Page 215: Introduction
Cards INTRODUCTION This appendix describes the Compaq/NVIDIA Quadro2 EX and MXR AGP Graphics Cards used in the standard configuration on some models and also available as an option. These cards (layout shown in the following figure) installs in a system’s AGP slot and provide high 2D performance as well as entry-level 3D capabilities.
Page 216: Functional Description
Appendix J Compaq/NVIDIA Quadro2 EX/MXR AGP Graphics Cards FUNCTIONAL DESCRIPTION The NVIDIA Quadro2 MXR Graphics Card provides high performance 2D and 3D display imaging. The card’s AGP design provides an economical approach to 3D processing by off- loading 3D effects such as texturing, z-buffering and alpha blending to the system memory while 32 megabytes of on-board SDRAM stores the main display image.
Page 217: Table E-1. Nvidia Quadro
1920 x 1080 16.7M 7.7 MB 1920 x 1200 1920 x 1200 18.5 MB 1920 x 1200 16.7M 5.0 MB NOTE: [1] Values reflect hardware capability. May be restricted to lower frequency by operating system. Compaq Personal Computers Changed - October 2001...
Page 218: Table E-2. Monitor Powerm
Appendix J Compaq/NVIDIA Quadro2 EX/MXR AGP Graphics Cards SOFTWARE SUPPORT INFORMATION The NVIDIA Quadro2 MXR graphics card is fully compatible with software written for legacy video modes (VGA, EGA, CGA) and needs no driver support for those modes. Drivers are provided with or available for the card to provide extended mode support for the current operating systems and programming environments such as: ♦...
Page 219: Figure E-3. Vga Monitorc
HSync Horizontal Sync R GND Red Analog Ground VSync Vertical Sync G GND Green Analog Ground DDC2-B Clock B GND Blue Analog Ground NOTES: [1] Fuse automatically resets when excessive load is removed. Compaq Personal Computers Changed - October 2001...
Page 220 Appendix J Compaq/NVIDIA Quadro2 EX/MXR AGP Graphics Cards This page is intentionally blank. Compaq Personal Computers Changed - October2001...
Page 221: Figure F-1. Compaq /Matroxm
This card (layout shown in the following figure) installs in a system’s AGP slot. The Compaq/Matrox Millennium G450 graphics card (SP# 203626-001) provides high 2D performance and entry-level 3D capabilities.
Page 222: F.2 Functional Description
Appendix H Compaq/Matrox Millennium G450 AGP Graphics Card FUNCTIONAL DESCRIPTION The Matrox Millennium G450-SD Graphics Card provides high performance 2D and 3D display imaging. The card’s AGP design provides an economical approach to 3D processing by off- loading 3D effects such as texturing, z-buffering and alpha blending to the system memory while 32 megabytes of on-board SDRAM stores the main display image.
Page 223: F.3 Display Modes
Primary 1920 x 1440 16.7M 85 Hz Primary 2048 x 768 75 Hz Primary 2048 x 768 75 Hz Primary NOTE: [1] Value reflects hardware capabilities only. May be restricted by operating system. Compaq Personal Computers Original - November 2000...
Page 224: F.4 Software Support Information
Appendix H Compaq/Matrox Millennium G450 AGP Graphics Card SOFTWARE SUPPORT INFORMATION The Matrox Millennium G450 graphics card is fully compatible with software written for legacy video modes (VGA, EGA, CGA) and needs no driver support for those modes. Drivers are provided with or available for the card to provide extended mode support for the current operating systems and programming environments such as: ♦...
Page 225: Table F-3. Db-15 Monitorc
HSync Horizontal Sync R GND Red Analog Ground VSync Vertical Sync G GND Green Analog Ground DDC2-B Clock B GND Blue Analog Ground NOTES: [1] Fuse automatically resets when excessive load is removed. Compaq Personal Computers Original - November 2000...
Page 226 Appendix H Compaq/Matrox Millennium G450 AGP Graphics Card F.6.2 VIDEO FEATURE CONNECTOR The Video Feature connector allows a video peripheral such as a TV tuner card to provide video input to the graphics card. This interface is compliant with VESA VIP specification 1.1.
Page 227: Figure G-5. Ultra
Appendix G Compaq/Adaptec SCSI Host Adapter INTRODUCTION The Compaq/Adaptec 29160N SCSI Host Adapter (Compaq SP# 158364-001) is a PCI peripheral that provides high performance interfacing with compatible SCSI peripherals, typically SCSI hard drives. The card installs in a PCI slot and supports full bus mastering capability.
Page 228: G.2 Functional Description
Active Ultra160 SE/LVD Term. Figure G–2. Compaq/Adaptec Ultra SCSI Adapter Card Block Diagram The AIC7892 controller supports dual-mode low-voltage differential (LVD) SCSI I/O up to the Ultra160 data rate of 160 Mbytes. Both single-ended (SE) and LVD devices can co-exist on the SCSI bus, although operation will default to the SE mode.
Page 229: Scsi Adapter Programming
The operating specifications are listed in Table G-2. Table G–2. Ultra SCSI Host Adapter Card Specifications Table G-2. Ultra SCSI Host Adapter Card Specifications Operating Voltage +5 VDC Maximum Current Draw Operating Temperature 32°F (0°C) to 131°F (55°C) Compaq Personal Computers Original - December 2000...
Page 230: Scsi Connectors
Appendix K Compaq/Adaptec 29160N SCSI Host Adapter SCSI CONNECTORS This SCSI card provides two internal header-type connectors (one 50-pin, one 68-pin) and one external D-type connector (50-pin). G.5.1 EXTERNAL 50-PIN ULTRA SCSI CONNECTOR The card provides one external 50-pin D-type Ultra SCSI connector. External cabling should meet T-10 SPI-2 standards (50-conductor, round shielded).
Page 231: Internal 50-Pin Ultra Scsi Connector
Ground ATN- Attention Ground Ground Ground BSY- Busy Ground ACK- Acknowledge Ground SBRST- Reset Ground MSG- Message Activity Ground SEL- Select Ground C-/D Control/Data Transfer Indicator Ground REQ- Request Ground I-/O Input/Output Indicator Compaq Personal Computers Original - December 2000...
Page 232: Internal 68-Pin Ultra160 Scsi Connector
Appendix K Compaq/Adaptec 29160N SCSI Host Adapter G.5.3 INTERNAL 68-PIN ULTRA160 SCSI CONNECTOR The card provides one internal 68-pin Ultra160 SCSI connector. This connection is designed for a 68-conductor unshielded Twist ‘N Flat cable as specified in the T-10 SPI-2 standard.
Page 233 INDEX 3D effects, D-2, E-2, F-2 display (VGA monitor), 6-8, D-5, E-5, F-5 abbreviations, 1-4 IDE interface, 5-3 AC97 link bus, 5-28 IDE/diskette drive power, 7-5 Accelerated Graphics Port (AGP), 4-10 keyboard/pointing device interface, 5-21 ACPI, 5-34 Network RJ-45, 5-36 acronyms, 1-4 parallel interface, 5-15 AGP, 4-10...
Page 234 I/O controller, 4-41 network interface controller, 5-32 graphics card, Matrox Millennium G450, F-1 network support, 5-32 graphics card, NVIDIA Quadro2 EX/MXR, E-1 NIC, 5-32 graphics card, NVIDIA TNT Pro, D-1 NIC upgrading, 5-37 graphics subsystem, 2-18, 6-1 notational conventions, 1-2, 1-3 graphics, 3D, D-2, E-2, F-2 NUM lock, 3-5 graphics, 815E-based, 6-2...
Page 235 SDRAM, 3-5, F-2 system ID, 8-6, 8-14 security functions, 4-33 system memory, 2-17, 3-5 security, chassis, 4-34 system resources, 4-15 security, interface, 4-34 system ROM, 8-1 sensor, thermal, 4-36 system status indications, 4-35 serial interface, 2-17, 5-8 TAFI, 4-37 SGRAM, D-2, E-2 temperature status, 8-14 sideband addressing, 4-11 thermal sensing, 4-36...
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Compaq Evo D500 Technical Reference Manual

Chapter 1 Introduction

Chapter 2 System Overview

Chapter 3 Processor/Memory Subsystem

Chapter 4 System Support

Chapter 5 Input/Output Interfaces

Chapter 6 Embedded Graphics Subsystem

Chapter 7 Power Supply and Distribution

Chapter 8 Bios Rom

Appendix A Error Messages and Codes

Appendix B Ascii Character Set

Appendix Ckeyboard

Appendix D Compaq/Nvidia Tnt2 Pro Agp Graphics Card

Appendix F Compaq/Matrox Millennium Agp Graphics Cards

Appendix G Compaq/Adaptec Scsi Host Adapter

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