Compaq W4000 - Manuals

Technical Reference Guide TABLE OF CONTENTS CHAPTER 1 INTRODUCTION .................................................................................................................. 1.1 ABOUT THIS GUIDE ....................................................................................................

Technical Reference Guide APPENDIX H COMPAQ/MATROX G200 MMS QUAD-HEAD PCI GRAPHICS CARD .................. H.1 INTRODUCTION ...................................................................................................................... H-1 H.2 FUNCTIONAL DESCRIPTION .............................

Technical Reference Guide LIST OF FIGURES F IGURE 2–1. C OMPAQ E VO P ERSONAL C OMPUTERS AND W ORKSTATIONS ................................................. 2-1 F IGURE 2–2. C OMPAQ E VO AND W ORKSTATIONS , F RONT V IEWS ............................................................... 2-5 F IGURE 2–3...

Technical Reference Guide LIST OF TABLES T ABLE 1–1. A CRONYMS AND A BBREVIATIONS ........................................................................................... 1-4 T ABLE 2-1. F EATURE D IFFERENCE M ATRIX ....................................................................................

Technical Reference Guide Compaq Evo and Workstation Personal Computers Featuring the Intel Pentium 4 Processor Second Edition –- January 2003 xiv This page is intentionally blank.

Technical Reference Guide Chapter 1 INTRODUCTION 1. Chapter 1 INTRODUCTION 1.1 ABOUT THIS GUIDE This guide provides technical information about Compaq Evo D300/D500 small form factor, desktop, and configurable minitower personal computers and W4000 workstations that feature the Intel Pentium 4 proce...

Chapter 1 Introduction 1.2 ADDITIONAL INFORMATION SOURCES For more information on components mentioned in this guide refer to the indicated manufacturers’ documentation, which may be available at the following online sources: ♦ Compaq Computer Corporation: http://www.compaq.com ♦ Intel Corporation: ...

Technical Reference Guide 1.5 NOTATIONAL CONVENTIONS The notational guidelines used in this guide are described in the following subsections. 1.5.1 VALUES Hexadecimal values are indicated by a numerical or alpha-numerical value followed by the letter “h.” Binary values are indicated by a value of on...

Chapter 1 Introduction 1.6 COMMON ACRONYMS AND ABBREVIATIONS Table 1-1 lists the acronyms and abbreviations used in this guide. Table 1–1. Acronyms and Abbreviations Table 1-1. Acronyms and Abbreviations Acronym/Abbreviation Description A ampere AC alternating current ACPI Advanced Configuration and...

Technical Reference Guide Chapter 2 SYSTEM OVERVIEW 2. Chapter 2 SYSTEM OVERVIEW 2.1 INTRODUCTION Compaq Evo Personal Computers and Compaq Workstations (Figure 2-1) deliver an outstanding combination of manageability, serviceability, and consistency for enterprise environments. Based on the Intel Pe...

Chapter 2 System Overview 2.2 FEATURES AND OPTIONS This section describes the standard features and available options. 2.2.1 STANDARD FEATURES The following standard features are included on all models: ♦ Intel Pentium 4 processor in PPGA478 (Socket N) package ♦ Intel 845 Chipset ♦ Support for three...

Chapter 2 System Overview 2.3 MECHANICAL DESIGN These systems are available in three form factors: ♦ ♦ ♦ Small Form Factor – a small-footprint desktop designed for environments where both performance and space are critical issues. Desktop – a low-profile ATX-type desktop that satisfies standard expa...

Technical Reference Guide 2.3.1 CABINET LAYOUTS 2.3.1.1 Front Views 12 11 10 8 5 3 2 1 7 9 4 6 7 12 11 10 9 4 5 3 2 1 6 8 Evo D300/D500 Desktop Evo or Workstation Small Form Factor 8 7 9 11 12 10 1 3 2 4 5 6 11 12 10 1 3 2 4 5 6 8 7 9 Evo D300/D500 Configurable Minitower (as a Minitower) Workstation...

Chapter 2 System Overview 2.3.1.2 Rear Views 12 7 5 4 6 3 9 10 11 2 8 1 13 10 8 7 5 4 3 12 11 9 6 2 1 Small Form Factor Desktop 13 8 9 7 10 12 11 5 3 2 6 4 1 Configurable Minitower (as a Minitower) Item Description Item Description 1 Mouse connector 8 Audio line input jack 2 Keyboard connector 9 Mic...

Chapter 2 System Overview 2.3.3 BOARD LAYOUTS Figure 2-7 shows the system and riser boards for the small form factor unit. Item Description Item Description 1 System board 17 Processor fan connector 2 Audio line in jack 18 Hard drive activity LED 3 Audio line out jack 19 Power button 4 USB connector...

Technical Reference Guide Figure 2-7 shows the system and PCI slot expansion boards. The system board (with three PCI slots) is common to both the desktop and the configurable minitower units. The PCI slot expansion board is attached to the system board in the configurable minitower unit to provide ...

Chapter 2 System Overview 2.4 SYSTEM ARCHITECTURE The Compaq Evo and Workstation systems covered in this guide feature an architecture based on the Intel Pentium 4 processor and the Intel 845 chipset (Figure 2-9). These models use either PC133 or DDR (PC266) SDRAM for system memory, provide AGP 4X g...

Chapter 2 System Overview 2.4.1 INTEL PENTIUM 4 PROCESSOR The models covered in this guide feature the Intel Pentium 4 processor. This processor is backward-compatible with software written for the Pentium III, Pentium II, Pentium MMX, Pentium Pro, Pentium, and x86 microprocessors. The processor arc...

Technical Reference Guide 2.4.2 CHIPSET The Intel 845 chipset consists of a Memory Controller Hub (MCH), an enhanced I/O controller hub (ICH2), and a firmware hub (FWH). Table 2-2 lists the integrated functions provided by the chipset. Table 2-2. Chipset Comparison Table 2-2. 845 Chipset Functions C...

Chapter 2 System Overview 2.4.4 SYSTEM MEMORY Two memory types are used in these systems: ♦ PC133-based with three DIMM sockets supporting up to 3 gigabytes of SDRAM memory ♦ 266-MHz DDR-based with two DIMM sockets supporting up to 2 gigabytes of DDR memory. NOTE : The maximum memory amounts stated ...

Chapter 2 System Overview 2.4.10 AUDIO SUBSYSTEM These systems use the integrated AC97 audio controller of the 845 chipset and an AC’97-compliant audio codec. These systems include microphone and line inputs and headphone and line outputs. The Desktop and Configurable Minitower models include a 3-wa...

Technical Reference Guide Table 2-7. Physical Specifications Table 2-7. Physical Specifications Parameter Small Form Factor Desktop Configurable Minitower [3] Height 3.9 in (9.90 cm) 5.72 in (14.5 cm) 17.65 in (44.8 cm) Width 13.1 in (33.3 cm) 15.25 in (38.7 cm) 6.60 in (16.8 cm) Depth 14.4 in (36.6...

Chapter 2 System Overview Compaq Evo and Workstation Personal Computers Featuring the Intel Pentium 4 Processor Second Edition – January 2003 2-20 Table 2-9. Optical Drive Specifications Table 2-9. Optical Drive Specifications Parameter 48x CD-ROM 16/10/40x CD-RW Drive Interface Type IDE IDE Media T...

Technical Reference Guide Chapter 3 PROCESSOR/ MEMORY SUBSYSTEM 3. Chapter 3 PROCESSOR/MEMORY SUBSYSTEM 3.1 INTRODUCTION This chapter describes the processor/memory subsystem of Compaq Deskpro Personal Computers featuring the Pentium 4 processor. These systems feature the Pentium 4 processor and the...

Chapter 3 Processor/Memory Subsystem 3.2 PENTIUM 4 PROCESSOR These systems each feature an Intel Pentium 4 processor in a FC-PGA478 package mounted with a passive heat sink in a mPGA478B zero-insertion force socket. The mounting socket allows the processor to be easily changed for servicing and/or u...

Chapter 3 Processor/Memory Subsystem The Pentium 4 processor is software-compatible with Celeron, Pentium II, Pentium MMX, Pentium, and x86 processors, but will require the latest versions of operating system software to take advantage of the Streaming SIMD extensions (SSE2). 3.2.2 PROCESSOR UPGRADI...

Technical Reference Guide 3.3 MEMORY SUBSYSTEM These systems support one of two types of memory: single data rate (SDR) SDRAM or double data rate (DDR) SDRAM. The system board determines the type of memory supported: ♦ SDR SDRAM-based system board: Three 168-pin DIMM sockets that accept PC100 or PC1...

Technical Reference Guide Figure 3-4 shows the system memory map. 4 GB Option ROM (128 KB) 0000 0000h Base Memory (512 KB) Fixed Mem. Area (128 KB) Graphics/SMRAM RAM (128 KB) High BIOS Area (2 MB) Host/PCI Memory Expansion (496 MB) FFFF FFFFh System BIOS Area (64 KB) Extended BIOS Area 000F 0000h 0...

Chapter 3 Processor/Memory Subsystem Compaq Evo and Workstation Personal Computers Featuring the Intel Pentium 4 Processor Second Edition - January 2003 3-8 3.4 SUBSYSTEM CONFIGURATION The 82815 GMCH component provides the configuration function for the processor/memory subsystem. Table 3-4 lists th...

Technical Reference Guide Chapter 4 SYSTEM SUPPORT 4. Chapter 4 SYSTEM SUPPORT 4.1 INTRODUCTION This chapter covers subjects dealing with basic system architecture and covers the following topics: ♦ PCI bus overview (4.2) page 4-2 ♦ AGP bus overview (4.3) page 4-10 ♦ System resources (4.4) page 4-15...

Chapter 4 System Support 4.2 PCI BUS OVERVIEW NOTE: This section describes the PCI bus in general and highlights bus implementation in this particular system. For detailed information regarding PCI bus operation, refer to the PCI Local Bus Specification Revision 2.2. These systems implement a 32-bit...

Technical Reference Guide Compaq Evo and Workstation Personal Computers Featuring the Intel Pentium 4 Processor Second Edition - January 2003 4-3 Figure 4-1. PCI Bus Devices and Functions

Chapter 4 System Support P dress Register I/O Port 0CF8h, R/W, (32-bit access only) PCI Configuration Data Register I/O Port 0CFCh, R/W, (8-, 16-, 32-bit access) PCI BUS TRANSACTIONS The PCI bus consists of a 32-bit path (AD31-00 lines) that uses a multiplexed scheme for handling both address and da...

Technical Reference Guide RATION at NT), and FRAME signals are used by PCI bus masters for gaining access to the PCI bus. When a PCI device needs access to the PCI bus (and does not already own it), the PCI device asserts it’s REQ n signal to the PCI bus arbiter (a ler component). If the bus is avai...

Chapter 4 System Support 4.2.3 OPTION ROM MAPPING 4.2.4 PCI INTERRUPTS ay be generated by on-board PCI devices installed in the PCI slots. For more information on interrupts incl “System Resources” section 4.4. 4.2.5 PCI POWER MANAGEMENT SUPPORT T m lies with the PCI Ma tion (rev 1.0). The PCI Power...

Technical Reference Guide 4.2.7 PCI CONFIGURATION A ions. These he ICH2 able 4-4. LPC Bridge Configuration Registers (ICH2, Function 0) e 4-4. PCI bus operations requi hannel configuration, R onfiguration is provi re the co ration of certain parameters such as PCI IRQ routing, DM TC control, port de...

Technical Reference Guide 4.3 AGP BUS OVERVIEW NOTE: For a detailed description of AGP bus operations refer to the AGP Interface Specification Rev. 2.0 available at the following AGP forum web site: http://www.agpforum.org/index.htm The Accelerated Graphics Port (AGP) bus is specifically designed as...

Chapter 4 System Support 4.3.1.1 D The differences in rates will be discussed in the next ction describing data transfers. Note also that sideband addressing is limited to 48 bits (address its 48-63 are assumed zero). The MCH component supports both SBA and AD addressing , but er the 66-MHz CLK sign...

Technical Reference Guide AGP 2X Transfers During AGP 2X transfers, clocking is basically the same as in 1X transfers except that the 66- ure 4- x evel for F 6. AGP 2X Data Transfer (Pe sf te: 532 M A 4X Tra The AGP 4X t ixteen b of e tran e. 2 h is used only ifying strobe s s are use ansf th es. A ...

Technical Reference Guide he 8259 mode handles interrupts IRQ0-IRQ15 in the legacy (AT-system) method using 8259- quivalent logic. Table 4-8 lists the standard source configuration for maskable interrupts and t i r) able 4-8. Maskable Interrupt Priorities and Assignments Table 4-8. 8259 Mode Te orit...

Chapter 4 System Support andard ISA interrupts (IRQn). ndows NT and Windows 2000 operating The PCI interrupts can be configured by PCI Configuration Registers 60h..63h to share the st NOTE: The systems. Systems running the Windows 95 or 98 operating system will need to run in 8259 mode. sk e Interru...

Technical Reference Guide The NMI Status Register at I/O port 061h contains NMI source and status data as follows: MI Status Register 61h N Bit Function 7 NMI Status: 0 = No NMI from system board parity error. 1 = NMI requested, read only 6 IOCHK- NMI: 0 = No NMI from IOCHK- 1 = IOCHK- is active (lo...

Chapter 4 System Support 4.4.2 IRECT MEMORY ACCESS method by which a device accesses system memory without volving the microprocessor. Although the DMA method has been traditionally used to transfer r etailed information regarding D Direct Memory Access (DMA) is ainblocks of data to or from an ISA I...

Technical Reference Guide The DMA logic is accessed through two types of I/O mapped registers; page registers and controller registers. 4.4.2.1 s in plete (24-bit)address for the DMA Table 4-11. DMA Page Register Addresses M I/O Port DMA Page Registers The DMA page register contains the eight most s...

Chapter 4 System Support DMA controller 1 can move up to 64 Kbytes of data per DMA transfer. DMA controller 2 can move up to 64 Kwords (128 Kbytes) of data per DMA transfer. Word DMA operations are only ipherals. A18,19 are driven low. e. The refresh ounter 1. The 4.4.2.2 trolle gi T 2 lists the DMA...

Technical Reference Guide 4.5 SYSTEM CLOCK DISTRIBUTION These systems use an Intel CK-type clock generator and crystal for generating the clock signals required by the system board components. Table 4-13 lists the system board clock signalshow they are distributed. Table 4-13. Clock Generation and D...

Chapter 4 System Support 4.6 REAL-TIME CLOCK AND CONFIGURATION MEMORY d e RTC uses the first 14 bytes (00-0Dh) of the andard memory area. All locations of the standard memory area (00-7Fh) can be directly ns through I/O ports lithium 3-VDC battery is used for maintaining the RTC and configuration me...

Technical Reference Guide 4.6.2 CMOS ARCHIVE AND RESTORE uring the boot sequence the BIOS saves a copy of NVRAM (CMOS contents, password(s) and is procedure: 1. With the unit powered down, press and release the power button. power button in step 1, press and hold the power button until the unit powe...

Chapter 4 System Support BIOS function (refer to Chapter 8 for BIOS function descriptions). 4.7 his section describes functions having to do with security, power management, temperature, and overall status. These functions are handled by hardware and firmware (BIOS) and generally nf . 4.7.1 this etu...

Technical Reference Guide 4.7.1.3 Cable Lock Provision These systems include a chassis cutout (on the rear panel) for the attachment of a cable lock mechanism. 4.7.1.4 I/O Interface Security The serial iskette bled individually through the Setup utility to g unauthorized ac addition, the ability to ...

Chapter 4 System Support 4.7.2 POWER MANAGEMENT This system provides bas liant firmware and software. Key power-consuming components (pro pset, I/O controll can be placed into a reduced power mode either automatically or by user control. The syb events defined specification p e ted by this system ar...

Technical Reference Guide Table 4-16. System Operational Status LED Indications l Status LED Indications Table 4-16. System Operationa stem Status Power LED Hard Drive LED Sy S0: System on (normal operation) Steady green Green w/HD activity S1: Suspend Blinks green @ 1 Hz Off S3: Suspend to RAM Blin...

Technical Reference Guide 4.8 REGISTER MAP AND MISCELLANEOUS FUNCTIONS 4.8.1 This section contains the system I/O map and information on general-purpose functions of the ICH2 and I/O controller. SYSTEM I/O MAP Table 4-17 lists the fixed addresses of the input/output (I/O) ports. Table 4-17. System I...

Chapter 4 System Support Compaq Evo and Workstation Personal Computers Featuring the Intel Pentium 4 Processor Second Edition – January 2003 4-32 4.8.2 he LPC47B367 I/O controller contains various functions such as the keyboard/mouse interfaces, diskuses iguration of these nctions uses indexed ports...

Technical Reference Guide Chapter 5 INPUT/OUTPUT INTERFACES 5. Chapter 5 INPUT/OUTPUT INTERFACES 5.1 INTRODUCTION This chapter describes the standard (i.e., system board) interfaces that provide input and output (I/O) porting of data and specifically discusses interfaces that are controlled through ...

Chapter 5 Input/Output Interfaces Hard drives types not found in the ROM’s parameter table are automatically configured as to (soft)type by DOS as follows: Primary controller: drive 0, type 65; drive 1, type 66 Secondary controller: drive 0, type 68; drive 1, type 15 Non-DOS (non-Windows) operating ...

Chapter 5 Input/Output Interfaces 5.3 DISKETTE DRIVE INTERFACE The diskette drive interface supports up to two diskette drives, each of which use a common cable connected to a standard 34-pin diskette drive connector. All models come standard with a 3.5-inch 1.44-MB diskette drive installed as drive...

Technical Reference Guide 5.3.1 DISKETTE DRIVE PROGRAMMING Programming the diskette drive interface consists of configuration, which occurs typically during POST, and control, which occurs at runtime. 5.3.1.1 Diskette Drive Interface Configuration The diskette drive controller must be configured for...

Chapter 5 Input/Output Interfaces 5.4 SERIAL INTERFACE All models include two RS-232-C type serial interfaces to transmit and receive asynchronous serial data with external devices. The serial interface function is provided by the LPC47B357 I/O controller component that includes two NS16C550-compati...

Technical Reference Guide 5.4.2 SERIAL INTERFACE PROGRAMMING Programming the serial interfaces consists of configuration, which occurs during POST, and control, which occurs during runtime. 5.4.2.1 Serial Interface Configuration The serial interface must be configured for a specific address range (C...

Chapter 5 Input/Output Interfaces 5.6 KEYBOARD/POINTING DEVICE INTERFACE The keyboard/pointing device interface function is provided by the LPC47B357 I/O controller component, which integrates 8042-compatible keyboard controller logic (hereafter referred to as simply the “8042”) to communicate with ...

Chapter 5 Input/Output Interfaces 5.6.2 POINTING DEVICE INTERFACE OPERATION The pointing device (typically a mouse) connects to a 6-pin DIN-type connector that is identical to the keyboard connector both physically and electrically. The operation of the interface (clock and data signal control) is t...

Technical Reference Guide 5.6.3.2 8042 Control The BIOS function INT 16 is typically used for controlling interaction with the keyboard. Sub-functions of INT 16 conduct the basic routines of handling keyboard data (i.e., translating the keyboard’s scan codes into ASCII codes). The keyboard/pointing ...

Chapter 5 Input/Output Interfaces 5.7 UNIVERSAL SERIAL BUS INTERFACE The Universal Serial Bus (USB) interface provides asynchronous/isochronous data transfers of up to 12 Mb/s with compatible peripherals such as keyboards, printers, or modems. This high-speed interface supports hot-plugging of compa...

Chapter 5 Input/Output Interfaces 5.7.2 USB PROGRAMMING Programming the USB interface consists of configuration, which typically occurs during POST, and control, which occurs at runtime. 5.7.2.1 USB Configuration The USB interface functions as a PCI device (31) within the 82801 component (function 2...

Chapter 5 Input/Output Interfaces 5.8 AUDIO SUBSYSTEM The systems covered in this guide come configured with one of two types of audio support: ♦ ♦ Desktop/configurable minitower audio subsystem Small form factor audio subsystem 5.8.1 FUNCTIONAL ANALYSIS A block diagram of the audio subsystem is sho...

Technical Reference Guide Panel En L+R Audio (L) (R) Switch Logic P23 Headphones/ Line Out Audio Bias Mic In PCI Bus AC’97 Audio Cntlr. 82801 ICH2 AC97 Link Bus PC Beep Audio L+R (Mono) Audio + - Internal Speaker CD Audio (R) CD ROM CD Audio (L) Audio Bias Mic In Line In (L) (R) AD1885 Audio Codec H...

Chapter 5 Input/Output Interfaces 5.8.2 AC97 AUDIO CONTROLLER The AC97 Audio Controller is a PCI device (device 31/function 5) that is integrated into the 82801 ICH component and supports the following functions: ♦ ♦ ♦ ♦ ♦ ♦ Read/write access to audio codec registers 16-bit stereo PCM output @ up to...

Chapter 5 Input/Output Interfaces 5.8.5 AUDIO PROGRAMMING Audio subsystem programming consists configuration, typically accomplished during POST, and control, which occurs during runtime. 5.8.5.1 Audio Configuration The audio subsystem is configured according to PCI protocol through the AC’97 audio ...

Chapter 5 Input/Output Interfaces 5.9 NETWORK INTERFACE CONTROLLER These systems include a 10/100 Mbps network interface controller (NIC) consisting of a 82562-equivalent controller integrated into the 82801BA ICH2 component coupled with a physical interface (PHY) component and an RJ-45 jack with in...

Technical Reference Guide NOTE: For the WOL and AOL features to function as described in the following paragraphs, the system unit must be plugged into a live AC outlet. Controlling unit power through a switchable power strip will, with the strip turned off, disable WOL and AOL functionality. 5.9.1 ...

Chapter 5 Input/Output Interfaces 5.9.3 POWER MANAGEMENT SUPPORT The NIC features Wired-for-Management (WfM) support providing system wake up from network events (WOL) as well as generating system status messages (AOL) and supports both APM and ACPI power management environments. The controller rece...

Chapter 5 Input/Output Interfaces 5-38 Compaq Evo and Workstation Personal Computers Featuring the Intel Pentium 4 Processor Second Edition – January 2003 Reportable RSA events are listed in the following table: Table 5–28 . Remote System Alert Events Table 5-28. Remote System Alert Events Event Des...

Technical Reference Guide Chapter 6 POWER and SIGNAL DISTRIBUTION 6. Chapter 6 POWER SUPPLY AND DISTRIBUTION 6.1 INTRODUCTION This chapter describes the power supply and method of general power and signal distribution. Topics covered in this chapter include: ♦ Power supply assembly/control (6.2) pag...

Chapter 6 Power and Signal Distribution 6.2.1 POWER SUPPLY ASSEMBLY These systems feature auto-ranging power supplies with power factor-correction logic. The SFF systems use a 175-watt supply while the desktop and configurable minitower systems employ a 250-watt supply. Tables 6-1 and 6-2 list the s...

Technical Reference Guide 6.2.2 POWER CONTROL The power supply assembly is controlled digitally by the PS On signal (Figure 7-1). When PS On is asserted, the Power Supply Assembly is activated and all voltage outputs are produced. When PS On is de-asserted, the Power Supply Assembly is off and all v...

Chapter 6 Power and Signal Distribution 6.2.2.2 Power LED Indications A dual-color LED located on the front panel (bezel) is used to indicate system power status. The front panel (bezel) power LED provides a visual indication of key system conditions listed as follows: Power LED Condition Steady gre...

Chapter 6 Power and Signal Distribution 6.3 POWER DISTRIBUTION 6.3.1 3.3/5/12 VDC DISTRIBUTION The power supply assembly includes a multi-connector cable assembly that routes +3.3 VDC, +5 VDC, -5 VDC, +12 VC, and -12 VDC to the system board as well as to the individual drive assemblies. Figure 6-2 s...

Chapter 6 Power and Signal Distribution 6.3.2 LOW VOLTAGE PRODUCTION/DISTRIBUTION Voltages less than 3.3 VDC including processor core (VccP) voltage are produced through regulator circuitry (Figure 6-4) on the system board. VccP (see text) DDR DIMMs +3.3 VDC +12 VDC AGP Bus VDDQ (1.5 VDC) AGP PWR +5...

Technical Reference Guide 6.4 SIGNAL DISTRIBUTION Figures 6-5 and 6-6 shows general signal distribution between the main subassemblies of the system units. OTES: Chassis Fan Cover Sensor Graphics Controller Audio Fan PWR AGP Bus PCI Bus Riser Card (SPN 252298) System Board (PCA #011466 or 011351) Co...

Chapter 6 Power and Signal Distribution Compaq Evo and Workstation Personal Computers Featuring the Intel Pentium 4 Processor Second Edition- January 2003 6-12 This page is intentionally blank.

Technical Reference Guide Chapter 7 BIOS ROM 7. Chapter 8 BIOS ROM 7.1 INTRODUCTION The Basic Input/Output System (BIOS) of the computer is a collection of machine language programs stored as firmware in read-only memory (ROM). The BIOS ROM includes such functions as Power-On Self Test (POST), PCI d...

Chapter 7 BIOS ROM 7.2 ROM FLASHING The system BIOS firmware is contained in a flash ROM device that can be re-written with BIOS code (using the ROMPAQ utility or a remote flash program) allowing easy upgrading, including changing the splash screen displayed during the POST routine. 7.2.1 UPGRADING ...

Chapter 7 BIOS ROM 7.3 BOOT FUNCTIONS The BIOS supports various functions related to the boot process, including those that occur during the Power On Self-Test (POST) routine. 7.3.1 BOOT DEVICE ORDER The default boot device order is as follows: 1. CD-ROM drive (EL Torito CD images) 2. Diskette drive...

Technical Reference Guide 7.3.3 MEMORY DETECTION AND CONFIGURATION This system uses the Serial Presence Detect (SPD) method of determining the installed DIMM configuration. The BIOS communicates with an EEPROM on each DIMM through the SMBus to obtain data on the following DIMM parameters: ♦ Presence...

Chapter 7 BIOS ROM 7.4 SETUP UTILITY The Setup utility (stored in ROM) allows the user to configure system functions involving security, power management, and system resources. The Setup utility is ROM-based and invoked when the F10 key is pressed during the time the F10 prompt is displayed in the l...

Chapter 7 BIOS ROM 7.5 CLIENT MANAGEMENT FUNCTIONS Table 7-4 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 7-4. Client Manag...

Technical Reference Guide 7.5.3 TEMPERATURE STATUS The BIOS includes a function (INT15, AX=E816h) to retrieve the status of a system’s interior temperature. This function allows an application to check whether the temperature situation is at a Normal, Caution, or Critical condition. 7.5.4 DRIVE FAUL...

Technical Reference Guide 7.7 POWER MANAGEMENT FUNCTIONS The BIOS ROM provides three types of power management support: independent PM support; APM support, and ACPI support. 7.7.1 INDEPENDENT PM SUPPORT The BIOS can provide power management (PM) of the system independently from an operating system ...

Chapter 7 BIOS ROM 7.7.1.2 Going to Sleep in Independent PM When a time-out timer expires, Standby for that timer occurs. System Standby When the system acquires the Standby mode the BIOS blanks the screen. Since the hard drive inactivity timer is in the drive and triggered by drive access, the syst...

Technical Reference Guide 7.7.3.1 Staying Awake in APM There are two "Time-out to Standby" timers used in APM: the System Timer and the IDE had Drive Timer. System Timer In POST, the ROM enables a timer in the ICH2 that generates an SMI once per minute. When the ROM gets the SMI it checks st...

Chapter 7 BIOS ROM 7.7.3.2 Going to Sleep in APM There are three levels of system sleep in APM: System/Hard Drive Standby, System Suspend, and System Off. System/Hard Drive Standby System Standby is achieved only by a system timer time-out, at such time the following occurs: 1. All APM-aware device ...

Technical Reference Guide System OFF There are two ways to turn the system off: 1. Software shut-down as directed by the O/S. This, being the normal procedure, allows a NIC driver to re-arm the NIC for a Magic Packet™ 2. Press and hold the power button for longer than 4 seconds ( not recommended unl...

Technical Reference Guide Appendix A ERROR MESSAGES AND CODES A. Appendix A ERROR MESSAGES AND CODES A.1 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 B...

Technical Reference Guide A.4 SYSTEM ERROR MESSAGES (1xx-xx) Table A–3. System Error Messages Table A-3. System Error Messages Message Probable Cause Message Probable Cause 101 Option ROM error 110-01 Programmable timer load data test failed 102 System board failure (see note) 110-02 Programmable ti...

Technical Reference Guide A.11 MODEM COMMUNICATIONS ERROR MESSAGES (12xx-xx) Table A–10. Serial Interface Error Messages Table A-10. Serial Interface Error Messages Message Probable Cause Message Probable Cause 1201-XX Modem internal loopback test 1204-03 Data block retry limit reached [4] 1201-01 U...

Appendix A Error Messages and Codes A.16 AUDIO ERROR MESSAGES (3206-xx) Table A–15. Audio Error Messages Table A-15. Audio Error Message Message Probable Cause 3206-xx Audio subsystem internal error A.17 DVD/CD-ROM ERROR MESSAGES (33xx-xx) Table A–16. DVD/CD-ROM Drive Error Messages Table A-16. DVD/...

Technical Reference Guide Appendix B ASCII CHARACTER SET B. Appendix B ASCII CHARACTER SET B.1 INTRODUCTION This appendix lists, in Table B-1, the 256-character ASCII code set including the decimal and hexadecimal values. All ASCII symbols may be called while in DOS or using standard text-mode edito...

Technical Reference Guide Appendix C KEYBOARD C. Appendix C KEYBOARD C.1 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 curso...

Appendix C Keyboard C.2 KEYSTROKE PROCESSING A functional block diagram of the keystroke processing elements is shown in Figure C-1. Power (+5 VDC) is obtained from the system through the PS/2-type interface. The keyboard uses a Z86C14 (or equivalent) microprocessor. The Z86C14 scans the key matrix ...

Technical Reference Guide C.2.1 PS/2-TYPE KEYBOARD TRANSMISSIONS The PS/2-type keyboard sends two main types of data to the system; commands (or responses to system commands) and keystroke scan codes. Before the keyboard sends data to the system (specifically, to the 8042-type logic within the syste...

Appendix C Keyboard C.2.4 KEYS All keys generate a make code (when pressed) and a break code (when released) with the exception of the Pause key (pos. 16), which produces a make code only. All keys with the exception of the Pause and Easy Access keys are also typematic, although the typematic action...

Technical Reference Guide C.2.4.2 Multi-Keystroke Functions Shift - The Shift key (pos. 75/86), when held down, produces a shift state (upper case) for keys in positions 17-29, 30, 39-51, 60-70, and 76-85 as long as the Caps Lock key (pos. 59) is toggled off. If the Caps Lock key is toggled on, then...

Technical Reference Guide Appendix D COMPAQ/NVIDIA VANTA LT AGP GRAPHICS CARD D. Appendix D Compaq/NVIDIA Vanta LT AGP Graphics Card D.1 INTRODUCTION This appendix describes the Compaq/NVIDIA Vanta LT AGP Graphics Card used in the standard configuration on some models and also available as an option...

Appendix D Compaq/NVIDIA Vanta LT AGP Graphics Card D.2 FUNCTIONAL DESCRIPTION The Compaq/NVIDIA Vanta LT 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...

Technical Reference Guide D.3 DISPLAY MODES The 2D graphics display modes supported by the Compaq/NVIDIA Vanta LT Graphics Card are listed in Table D-1. Table D-1. NVIDIA Vanta LT 2D Graphics Display Modes Table D-1. NVIDIA Vanta LT Display Modes Resolution Bits per pixel Color Depth Max. Refresh Fr...

Appendix D Compaq/NVIDIA Vanta LT AGP Graphics Card D.4 SOFTWARE SUPPORT INFORMATION The Compaq/NVIDIA Vanta LT 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 t...

Technical Reference Guide Appendix E COMPAQ/NVIDIA QUADRO2 EX/MXR AGP GRAPHICS CARDS E. Appendix E Compaq/NVIDIA Quadro2 EX/MXR AGP Graphics Cards E.1 INTRODUCTION This appendix describes the Compaq/NVIDIA Quadro2 EX and MXR AGP Graphics Cards used in the standard configuration on some models and al...

Appendix E Compaq/NVIDIA Quadro2 EX/MXR AGP Graphics Cards E.2 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-buffer...

Technical Reference Guide E.3 DISPLAY MODES The 2D graphics display modes supported by the NVIDIA Quadro2 MXR Graphics are listed in Table E-1. Table E-1. NVIDIA Quadro2 MXR Graphics Display Modes Table E-1. NVIDIA Quadro2 EX/MXR Graphics Display Modes Resolution Bits per pixel Color Depth Max. Refr...

Technical Reference Guide Appendix F COMPAQ/Matrox Millennium G450 AGP GRAPHICS CARD F. Appendix F Compaq/Matrox Millennium G450 AGP Graphics Card F.1 INTRODUCTION This appendix describes the Compaq/Matrox Millennium G450 AGP Graphics Card used in the standard configuration on some models and also a...

Appendix H Compaq/Matrox Millennium G450 AGP Graphics Card F.2 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...

Technical Reference Guide F.3 DISPLAY MODES The graphics display modes supported by the Matrox Millennium G450 Graphics are listed in Table F-1. Table F-1. Matrox Millennium G450 Graphics Display Modes Table F-1. Matrox Millennium G450 Graphics Display Modes Resolution Bits per pixel Color Depth Max...

Appendix H Compaq/Matrox Millennium G450 AGP Graphics Card F.4 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 fo...

Technical Reference Guide Appendix G COMPAQ/ADAPTEC 29160N SCSI HOST ADAPTER G. Appendix G Compaq/Adaptec SCSI Host Adapter G.1 INTRODUCTION The Compaq/Adaptec 29160N SCSI Host Adapter (Compaq SP# 158364-001) is a PCI peripheral that provides high performance interfacing with compatible SCSI periphe...

Appendix G Compaq/Adaptec 29160N SCSI Host Adapter G.2 FUNCTIONAL DESCRIPTION A block diagram of the SCSI Adapter is shown in Figure L-2. The adapter’s architecture is based on the AIC-7892 SCSI controller working off the 32-bit, 66-/33-MHz PCI bus. Providing full bus mastering capability, the adapt...

Technical Reference Guide G.3 SCSI ADAPTER PROGRAMMING G.3.1 SCSI ADAPTER CONFIGURATION The Adaptec SCSI Host Adapter Card is a PCI device and configured using PCI protocol and PCI Configuration Space registers (PCI addresses 00h-FFh) as discussed in Chapter 4 of this guide. Configuration is accompl...

Appendix G Compaq/Adaptec 29160N SCSI Host Adapter G.5 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 c...

Technical Reference Guide Appendix H COMPAQ/Matrox G200 MMS Quad-Head PCI GRAPHICS CARD H. Appendix H Compaq/Matrox G200 MMS Quad-Head PCI Graphics Card H.1 INTRODUCTION This appendix describes the Compaq/Matrox G200 MMS Quad-Head PCI Graphics Card used in the standard configuration on some models a...

Appendix H Compaq/Matrox G200 MMS Quad-Head PCI Graphics Card H.2 FUNCTIONAL DESCRIPTION The Matrox G200 MMS Quad-Head PCI Graphics Card provides high performance, multi-monitor 2D imaging. With four G200 graphics controllers each supported with an 8-MB SGRAM frame buffer, the card can provide, with...

Appendix H Compaq/Matrox G200 MMS Quad-Head PCI Graphics Card H.3 DISPLAY MODES The graphics display modes supported by each monitor port on the Matrox G200 MMS Graphics card are listed in Table H-1. Table H-1. Matrox G200 MMS Graphics Display Modes Table H-1. Matrox G200 MMS Graphics Controller Dis...

Technical Reference Guide H.4 DISPLAY CONFIGURATION H.4.1 SINGLE-CARD CONFIGURATION The Matrox G200 MMS Quad-Head PCI Graphics Card supports multiple monitors through the use of adapter cables. The graphics card as ordered from Compaq comes with either an analog adapter cable or a digital adapter ca...

INDEX I. 3D effects, D-2, E-2, F-2, H-2 abbreviations, 1-4 AC97 link bus, 5-28 Accelerated Graphics Port (AGP), 4-10 ACPI, 5-34 acronyms, 1-4 AGP, 4-10 Alert-On-LAN, 5-33 AOL, 5-33 AOL requirements, 5-33, 5-38 APIC, 4-16 APM, 5-34 APM BIOS support, 7-19 arbitration, PCI bus master, 4-6 ASCII charact...

graphics card, NVIDIA Vanta LT, D-1 graphics subsystem, 2-17 graphics, 3D, D-2, E-2, F-2, H-2 Hard drive activity indicator, 4-32 Hub link bus, 4-7 I/O controller (LPC47B34x), 4-31 I/O map, 4-30 IDE interface, 5-1 IDSEL, 4-4 index addressing, 1-3 interface audio, 2-18, 5-26 diskette drive, 5-4 IDE, ...