Power Supply ASSEMBLY/CONTROL, Aux | Compaq W4000 instruction

Technical Reference Guide

Chapter 6

POWER and SIGNAL

DISTRIBUTION

6.Chapter 6 POWER SUPPLY AND DISTRIBUTION

6.1INTRODUCTION

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)		page 6-1
♦	Power distribution (6.3)	page 6-5
♦	Signal distribution (6.4)	page 6-8

6.2POWER SUPPLY ASSEMBLY/CONTROL

This system features a power supply assembly that is controlled through programmable logic (Figure 6-1).

Front Bezel

Power On/Off

Power On

System Board

CPU, Slots, Chipsets, Logic

& Voltage Regulators

Mains

110/230 VAC

	PS	Fan	Fan	+5	+3.3 +12.8 VDC
	On	Off	Spd	AUX	AUX
						+5 VDC	+5 VDC
						+5 VDC	+5 VDC
						-5 VDC
		Power Supply				-5 VDC		Drives
						+12 VDC	+12 VDC	Drives

			Assembly

						-12 VDC
						-12 VDC

Figure 6–1.Power Distribution and Control, Block Diagram

Compaq Evo and Workstation Personal Computers 6-1

Featuring the Intel Pentium 4 Processor

Second Edition - January 2003

Image 126

Compaq W4000 manual Power Supply ASSEMBLY/CONTROL, Aux

Contents

Technical Reference Guide Intel Pentium 4 Processor and the 845 ChipsetPage TRG Page Featuring the Intel Pentium 4 Processor Second Edition -- January Table of Contents System Support Power Supply and Distribution Appendix B Ascii Character SET Appendix D COMPAQ/NVIDIA Vanta LT AGP Graphics Card Technical Reference Guide List of Figures Power Distribution and CONTROL, Block Diagram List of Tables Technical Reference Guide Table H-2 This page is intentionally blank About this Guide Online ViewingHardcopy Serial Number Additional Information SourcesModel Numbering Convention XXX/XNN/NN/N/NNNx Ranges Notational ConventionsValues Register Notation and Usage Common Acronyms and Abbreviations Acronyms and AbbreviationsAcronym/Abbreviation Description DDC DACDCH DDR IRQ INTIPL ISA PIO PFCPIN Post TCP TADTafi TFT System Overview Introduction Feature Difference Matrix by Form Factor Features and OptionsStandard Features Configurable Options Mechanical Design Cabinet Layouts Front ViewsEvo or Workstation Small Form Factor Rear Views Compaq Evos and Workstation, Rear Views Chassis Layouts BackFront Desktop Chassis Layout, Top View AGP Slot PCI Slot Drive Lock Board Layouts Small Form Factor Board Layouts Desktop or Configurable Minitower Main Board Layouts Desktop Configurable Minitower System ArchitectureSDR SDR/DDR ICH2 USB LPC RGB AGPAGP Sdram FWH 10.Processor Assembly And Mounting Intel Pentium 4 Processor Chipset Functions ChipsetSupport Components Support Component Functions Serial and Parallel Interfaces System MemoryMass Storage Universal Serial BUS Interface Graphics Subsystem Standard AGP Graphics ComparisonNVIDIA Matrox Electrical Specifications SpecificationsEnvironmental Specifications Factory Configuration Audio Subsystem Small Configurable Parameter Physical SpecificationsDiskette Drive Specifications Compaq SP# Parameter 48x CD-ROM 16/10/40x CD-RW Drive Optical Drive SpecificationsHard Drive Specifications CD-R, CD-RW FSB I/F AGP MCHXMM1 XMM2 XMM3 Dimm Pentium 4 Processor Processor Overview CPU FPU FSB Processor Upgrading Memory Subsystem SPD Address Map Sdram Dimm Byte DescriptionDimm ID Shows the system memory map Subsystem Configuration Host/PCI Bridge Configuration Registers GMCH, DevicePCI Config Reset Addr Register Value System Support PCI BUS Overview Eide USB PCI Bus Devices and Functions Configuration Cycles PCI BUS Transactions1.1 I/O and Memory Cycles PCI Component PCI Component Configuration AccessIdsel Device # Bist PCI Configuration Space TypeSystem Board PCI Device Identification PCI Device Vendor ID Device ID PCI BUS Master Arbitration PCI Bus Mastering DevicesREQ/GNT Line Device PCI Interrupts PCI Power Management SupportOption ROM Mapping PCI SUB-BUSSES Config Register Reset PCI ConfigurationLPC Bridge Configuration Registers ICH2, Function 0, Device Addr Value Register PCI Connector PCI Bus Connector PinoutPin Signal AGP BUS Overview BUS Transactions Data Request Data TransfersCLK D1A D1B D2A D2B GNT Trdy CLK D1A D1B D2A D2B D3A D3B D4A D4B GNT Trdy AGP Configuration Config Reset Addr Register Value Ovrcnt GND VDD3 AGP ConnectorAGP Bus Connector Pinout VDD System Resources InterruptsMaskable Interrupts Mode Apic ModePriority Signal Label Source Typical Maskable Interrupt Priorities and Assignments Maskable Interrupt Control Registers Non-Maskable InterruptsNMI- Generation Port Register SMI- Generation IOCHK- NMI Direct Memory Access Default DMA Channel AssignmentsDMA Channel Device ID DMA Page Registers DMA Page Register AddressesDMA Channel Register I/O Port DMA Controller Registers DMA Controller RegistersRegister Controller System Clock Distribution Clock Generation and DistributionFrequncy Source Destination REAL-TIME Clock and Configuration Memory Clearing Cmos Standard Cmos Locations Cmos Archive and RestoreConfiguration Memory Cmos Map Location Function System Management Power-On PasswordSetup Password Security Functions Cable Lock Provision 1.4 I/O Interface SecurityChassis Security System Status Power ManagementSystem Boot/ROM Flash Status LED Indications Acpi Wake-Up Event System Wakes From Power Hard Drive System Status Thermal Sensing and CoolingSystem Operational Status LED Indications 11.Small Form Factor Fan Control Block Diagram System I/O Map Register MAP and Miscellaneous FunctionsSystem I/O MAP Port Function Index Function Reset Value 2 LPC47B367 I/O Controller FunctionsLPC47B367 I/O Controller Control Registers System Status Power LED HD LED Enhanced IDE Interface IDE Programming IDE Bus Master Control Registers IDE Configuration RegistersEide PCI Configuration Registers 82801, Device 31/Function IDE Bus Master Control Registers IDE Connector Pin Primary IDE Connector PinoutPin Signal Description Diskette Drive Interface Index Reset Diskette Drive Interface ConfigurationDiskette Drive Interface Configuration Registers Diskette Drive Programming Diskette Drive Interface Control Registers Pri Diskette Drive Connector Pin Diskette Drive Connector Pinout Serial Connector DB-9 Serial Connector PinoutSerial Interface Serial Interface Programming Serial Interface ConfigurationSerial Interface Configuration Registers Function Serial Interface Control Serial Interface Control RegistersAddr Register Standard Parallel Port Mode Parallel Interface Enhanced Parallel Port Mode Extended Capabilities Port Mode Parallel Interface Configuration Parallel Interface Configuration RegistersParallel Interface Programming Parallel Interface Control Parallel Interface Control RegistersAddress Register Parallel Interface Connector DB-25 Parallel Connector PinoutPin Signal Function KEYBOARD/POINTING Device Interface Keyboard Interface Operation To-Keyboard Commands Command Pointing Device Interface Operation 3.1 8042 ConfigurationKeyboard Interface Configuration Registers KEYBOARD/POINTING Device Interface Programming 3.2 8042 Control Port 60h CPU Commands To Value Command Description KEYBOARD/POINTING Device Interface Connector Keyboard/Pointing Device Connector PinoutData USB I/F, Block Diagram USB Data Formats CRC USB Programming USB ConfigurationUSB Interface Configuration Registers USB Control USB Cable Data USB ConnectorUSB Connector Pinout USB Cable Length Data Functional Analysis Front Panel Assembly TDACD ROM Sync 2 AC97 Audio Controller3 AC97 Link BUS SD OUT Audio Codec PB Data R Audio Control Audio ConfigurationAudio Programming AC’97 Audio Codec Control Registers Audio Specifications AC97 Audio Subsystem SpecificationsParamemter TX/RX LAN PHY I/F TX/RX AOL Events Wake on LAN SupportAlert on LAN Support Event Description Power Management Support APM EnvironmentAcpi Environment Control ConfigurationNIC Programming NIC Control Registers NIC Specifications NIC ConnectorNIC Specifications MS-DOS Asic PCI NIC UPGRADING/CHANGINGAOL/SOS SOS PCI Remote System Alert Events Power Supply ASSEMBLY/CONTROL AUX Power Supply Assembly Watt Power Supply Assembly Specifications PNRange Min. Current Max Surge Power Control Power ButtonSystem State Pressed Power Button Results Power LED Indications Power LED ConditionWake Up Events System Power States Power Transition OS Restart State System Condition Conn Pin Power Distribution1 3.3/5/12 VDC Distribution RTN Desktop and Configurable Minitower Power Cable Diagram VID4 LOW Voltage PRODUCTION/DISTRIBUTIONVID0 VID1 VID2 AGP PWR DDR Signal Distribution System BoardIDE I/F CD-ROM Desktop/Minitower Signal Distribution Diagram System Power Button/LED Header P5 CD ROM Audio Header P7AOL/SOS Header P12 This page is intentionally blank Bios ROM Upgrading Boot Block CodesROM Flashing Num Lock Cap Lock Scroll Lock Changeable Splash Screen \Flashi.exe ImageFilename BackgroundColor ForegroundColor Boot Functions Boot Device OrderNetwork Boot F12 Support Boot Error Codes Memory Detection and ConfigurationBoot Error Codes Visual Audible Meaning Setup Utility Setup Utility FunctionsHeading Option Description Translation Parameters IDE Disks only Translation Mode IDE disks onlyRemovable Media Boot Multisector Transfers IDE ATA devices only Heading Option Description CTRL+ALT+DEL Setup Utility Functions Setup Utility Functions Setup Utility Functions Function Mode Client Management FunctionsClient Management Functions INT15 EBX Input EAXOutput ECX System ID and ROM Type Edid RetrieveSystem System ID ROM Family PnP ID PnP Bios Functions Temperature StatusDrive Fault Prediction PNP Support Smbios IDE Hard Drive Timer Power Management FunctionsSystem Timer Independent PM Support IDE Hard Drive Standby Going to Sleep in Independent PMSystem Standby Suspend Acpi Support APM 1.2 Support APM Bios Functions APM Bios Function Description Staying Awake in APM Going to Sleep in APM System/Hard Drive StandbySystem Suspend Waking Up in APM USB Legacy Support This page is intentionally blank Beep/Keyboard LED Codes BEEP/KEYBOARD LED CodesTable A-1 Beeps LED Probable Cause Error Message Probable Cause POWER-ON Self Test Post MessagesPower-On Self Test Post Messages Table A-2 Table A-3 System Error MessagesSystem Error Messages Message Probable Cause Table A-4 Memory Error MessagesKeyboard Error Messages Table A-5 Table A-6 Printer Error MessagesVideo Graphics Error Messages Table A-7 Table A-8 Diskette Drive Error MessagesSerial Interface Error Messages Table A-9 Modem Communications Error Messages Table A-10 Table A-11 System Status Error MessagesHard Drive Error Messages Table A-12 Table A-13 Table A-14 Audio Error Messages 17 DVD/CD-ROM Error MessagesNetwork Interface Error Messages Table A-18 Scsi Interface Error Messages 65xx-xx, 66xx-xxPointing Device Interface Error Messages Table A-19 12Compaq Personal Computers Ascii Character Set Symbol Dec HexTable B-1 Dec Hex Dec Hex Symbol Table B-1.ASCII Code Set Keyboard Keystroke Processing 1 PS/2-TYPE Keyboard Transmissions Parameter Minimum Nominal Maximum USB-TYPE Keyboard Transmissions Keyboard Layouts Standard Enhanced Keyboards Windows Enhanced Keyboards Figure C-6.National Windows 102W-Key Keyboard Key Positions Easy Access Keyboards Figure C-8.8-Button Easy Access Keyboard Layout Keys Special Single-Keystroke Functions Multi-Keystroke Functions Windows Keystrokes Easy Access Keystrokes Button # Description Default Function Command Keyboard CommandsKeyboard-to-System Commands Scan Codes Key Make / Break Codes Hex Pos Table C-2Keyboard Scan Codes Mode Table C-2. Keyboard Scan Codes Key 7E/FE Table C-2. Keyboard Scan Codes Connectors Pin COMPAQ/NVIDIA Vanta LT AGP Graphics Card Sdram Nvidia Functional Description Resolution Bits per pixel Color Depth Display ModesNvidia Vanta LT Display Modes Power Management and Consumption Monitor Power Management ConditionsSoftware Support Information SDA Monitor ConnectorDB-15 Monitor Connector Pinout SCL 6Compaq Personal Computers COMPAQ/NVIDIA QUADRO2 EX/MXR AGP Graphics Cards Appendix E Compaq/NVIDIA Quadro2 EX/MXR AGP Graphics Cards Resolution Bits per pixel Color Depth Table E-1Nvidia Quadro2 EX/MXR Graphics Display Modes Monitor Power Management Conditions Table E-2 DB-15 Monitor Connector Pinout Pin Signal DescriptionTable E-3 6Compaq Personal Computers Appendix F COMPAQ/Matrox Millennium G450 Appendix H Compaq/Matrox Millennium G450 AGP Graphics Card Table F-1 Matrox Millennium G450 Graphics Display Modes Table F-2 Table F-3 Video Feature Connector Video In Connector PinoutTable F-4 COMPAQ/ADAPTEC 29160N Scsi Host Adapter Appendix G Compaq/Adaptec 29160N Scsi Host Adapter Table G-1 Scsi Adapter Programming Scsi Adapter ConfigurationScsi Adapter Control Table G-2 External Ultra Scsi Connector Pinout Scsi ConnectorsExternal 50-PIN Ultra Scsi Connector Pin Signal Function Internal 50-PIN Ultra Scsi Connector Internal 50-Pin Ultra Scsi Connector PinoutTable G-4 Internal 68-PIN ULTRA160 Scsi Connector Ultra160 Scsi Connector PinoutTable G-5 PCI Graphics Card DVI RGB Card Edge Connector Table H-1 Matrox G200 MMS Graphics Controller Display Modes Display Configuration SINGLE-CARD Configuration MULTI-CARD Configuration with Windows NT Table H-2 Table H-3 Adapter Cable ConnectorAdapter Cable Connector Pinout Pin Description Analog Monitor Connector Table H-4 Digital Monitor Connector DVI-D Connector Pinout 10Compaq Personal Computers Index Dimm support ROM Bios Environmental SpecificationsElectrical Physical This page is intentionally blank