System Support

Technical Reference Guide

Chapter 4

4. Chapter 4 SYSTEM SUPPORT

4.1INTRODUCTION

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 4-9
♦	System resources (4.4)	page 4-13
♦	System clock distribution (4.5)	page 4-20

♦Real-time clock and configuration memory (4.6) page 4-21

♦ System management (4.7)

page 4-23

♦Register map and miscellaneous functions (4.8) page 4-29

This chapter covers functions provided by off-the-shelf chipsets and therefore describes only basic aspects of these functions as well as information unique to the systems covered in this guide. For detailed information on specific components, refer to the applicable manufacturer’s documentation.

Compaq D315 and hp d325 Personal Computers 4-1

Featuring the AMD Athlon XP Processor

Second Edition - April 2003

Page 51

Image 51

Contents

Compaq D315 and hp d325 Personal Computers Technical reference guidePage Compaq D315 and hp d325 Personal Computers Page Featuring the AMD Athlon XP Processor Second Edition -- April Table of Contents PROCESSOR/MEMORY Subsystem INPUT/OUTPUT Interfaces Intregrated Graphics Subsystem Appendix B Ascii Character SET Technical Reference Guide List of Figures Figure C-1. Keystroke Processing ELEMENTS, Block Diagram List of Tables Technical Reference Guide About this Guide Online ViewingHardcopy XXX/XNN/NN/N/NNNx Additional Information SourcesModel Numbering Convention Compaq Model Numbering Convention DNNNsm/A2.06/NNNb+nyr/NNNX/XX1tNL Hp Model Numbering ConventionSerial Number Notational Conventions BIT Notation and Byte Values ValuesRanges Register Notation and Usage Common Acronyms and Abbreviations Acronyms and AbbreviationsAcronym/Abbreviation Description DDR DACDCH DDC ISA INTIPL IRQ Post PFCPIN PIO TFT TADTafi TCP This page is intentionally blank Compaq D315 Hp d325 Introduction Feature Compaq D315 Hp d325 Features and OptionsStandard Features Feature Difference Matrix Options Mechanical Design Cabinet LayoutsFront Views Shows the rear view of the Compaq D315 and HP d325 systems Rear Views Chassis Layout BackFront D315 D325 Board Layouts Architectural Difference Matrix System Architecture DDR Sdram Bios ROMFSB AGP I/F Heat Sink, Processor, and Socket Assemblies AMD Athlon XP Processor Support Component Functions ChipsetSupport Components NVidia Chipset Comparison Universal Serial BUS Interface System MemoryMass Storage Serial and Parallel Interfaces D315 D325 Network Interface ControllerGraphics Subsystem Standard Graphics Support Comparison Audio Subsystem SpecificationsEnvironmental Specifications Factory Configuration Electrical Specifications Parameter Physical SpecificationsDiskette Drive Specifications Compaq SP# CD-R, CD-RW Optical Drive SpecificationsHard Drive Specifications Parameter 48x CD-ROM 16/10/40x CD-RW Drive FSB I/F GPU AGP HT I/FXMM1 XMM2 Dimm Processor Overview Athlon XP Processor Athlon XP Type Core Speed Voltage Max. Current Max. Power CPU FPUFPU FSB Processor Upgrading D315 Memory Subsystem SPD Address Map Sdram Dimm Byte DescriptionDimm ID Shows the system memory map This page is intentionally blank System Support PCI Bus Devices and Functions PCI BUS Overview Configuration Cycles PCI BUS Transactions1.1 I/O and Memory Cycles PCI Component Configuration Access PCI Component FunctionDevice # Function # Bist PCI Configuration Space Type PCI BUS Master Arbitration PCI Bus Mastering DevicesREQ/GNT Line Device PCI SUB-BUSSES PCI Power Management SupportOption ROM Mapping PCI Interrupts PCI Connector PCI Bus Connector PinoutPin Signal BUS Transactions AGP BUS Overview Data Request Data TransfersCLK D1A D1B D2A D2B GNT Trdy GNT Trdy CLK D1A D1B D2A D2B D3A D3B D4A D4B CLK D1A D1B D2A D2B D3A D3B D4A D4B Adstbs Adstbf Trdy AGP 8X Transfers VDD AGP ConnectorAGP Bus Connector Pinout Ovrcnt GND VDD3 Intr System ResourcesInterrupts Maskable Interrupts Maskable Interrupt Priorities and Assignments Apic ModePriority Signal Label Source Typical Mode Port Register Non-Maskable InterruptsNMI- Generation Maskable Interrupt Control Registers IOCHK- NMI SMI- Generation 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 or Function Clearing Cmos REAL-TIME Clock and Configuration Memory Location Function Cmos Archive and RestoreConfiguration Memory Cmos Map Standard Cmos Locations Security Functions Power-On PasswordSetup Password System Management 1.4 I/O Interface Security Cable Lock Provision Acpi Wake-Up Event System Wakes From Power ManagementSystem Boot/ROM Flash Status LED Indications System Status Thermal Sensing and Cooling System Operational Status LED IndicationsD315 D325 System Status Pwrfan Cooling for D315 ModelsTach FANSEL1 FANSEL2 Cooling for d325 Models 13.d325 Model Fan Control Functional Block Diagram Port Function Register MAP and Miscellaneous FunctionsSystem I/O MAP System I/O Map Index Function Reset Value 2 LPC47B367 I/O Controller FunctionsLPC47B367 I/O Controller Control Registers Beeps System Status Power LED IDE Programming Enhanced IDE Interface IDE Bus Master Control Registers IDE Configuration RegistersIDE PCI Configuration Registers MCP, Device 9/Function IDE Bus Master Control Registers IDE Connector Pin Primary IDE Connector PinoutPin Signal Description Diskette Drive Interface Diskette Drive Programming Diskette Drive Interface ConfigurationDiskette Drive Interface Configuration Registers Index Reset Pri Diskette Drive Interface Control Registers Pin Diskette Drive Connector Pinout Diskette Drive Connector Serial Connector DB-9 Serial Connector PinoutSerial Interface Serial Interface Configuration Serial Interface Configuration RegistersSerial Interface Programming Serial Interface Control Serial Interface Control RegistersAddr Register Parallel Interface Standard Parallel Port Mode Extended Capabilities Port Mode Enhanced Parallel 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 Interface Operation KEYBOARD/POINTING Device Interface Command To-Keyboard Commands KEYBOARD/POINTING Device Interface Programming 3.1 8042 ConfigurationKeyboard Interface Configuration Registers Pointing Device Interface Operation Port 60h 3.2 8042 Control Value Command Description CPU Commands To KEYBOARD/POINTING Device Interface Connector Keyboard/Pointing Device Connector PinoutData D315 MCP USBDifference Matrix CRC USB Data Formats USB Control USB ConfigurationUSB Interface Configuration Registers USB Programming USB Cable Length Data USB ConnectorUSB Connector Pinout USB Cable Data Functional Analysis Front Panel Assembly TDACD ROM SD OUT 2 AC97 Audio Controller3 AC97 Link BUS Sync Audio Programming Audio Codec Audio Configuration Audio ControlAC’97 Audio Codec Control Registers AC97 Audio Subsystem Specifications Audio Specifications TX/RX LAN PHY I/F Event Description Wake on LAN SupportAlert on LAN Support AOL Events Power Management Support APM EnvironmentAcpi Environment NIC Control Registers ConfigurationNIC Programming Control MS-DOS NIC ConnectorNIC Specifications NIC Specifications Integrated Graphics Subsystem Functional Description DAC a Feature D315 D325Difference Matrix RGB IGP Resolution Bits per pixel Color Depth Display ModesGPU Graphics Display Modes Addr Register Value Config ResetProgramming Upgrading IGP-BASED Graphics SDA VGA Monitor ConnectorDB-15 Monitor Connector Pinout PWR AUX Power Supply ASSEMBLY/CONTROL Power Supply Assembly Watt Power Supply Assembly SpecificationsRange Min. Current Max Surge Power Control Power ButtonSystem State Pressed Power Button Results Wake-On-LAN Wake Up Events Power Transition OS Restart State System Condition System Power States RTN POK Power Distribution1 3.3/5/12 VDC Distribution Conn Pin Shows the power supply cabling for the d325 model VID LOW Voltage PRODUCTION/DISTRIBUTION Signal Distribution SystemBoard CD ROM Audio CD1Header Power Button/LED FP HeaderFront Panel Audio Audio 1 Header Front Panel USB USB 4/5 Header System Bios Meaning Boot Block CodesROM FLASHING/UPGRADING Num Lock Cap Lock Scroll Lock Boot Functions Boot Device OrderNetwork Boot F12 Support Visual Audible Meaning Memory Detection and ConfigurationBoot Error Codes Boot Error Codes Setup Utility Setup Utility FunctionsHeading Option Description Multisector Transfers IDE ATA devices on ly Translation Mode IDE disks onlyRemovable Media Boot Translation Parameters IDE Disks only CTRL+ALT+DEL Heading Option Description Setup Utility Functions Setup Utility Functions Setup Utility Functions Function Mode Client Management FunctionsClient Management Functions INT15 ECX Input EAXOutput EBX System ID and ROM Type Edid RetrieveSystem System ID ROM Family PnP ID Independent PM Support D315 only Temperature StatusDrive Fault Prediction Power Management Functions System Standby System TimerIDE Hard Drive Timer Going to Sleep in Independent PM Acpi Support SuspendSystem OFF Waking Up in Independent PM BEEP/KEYBOARD LED Codes Table A-1Beep/Keyboard LED Codes POWER-ON Self Test Post Messages Power-On Self Test Post MessagesTable A-2 System Error Messages System Error MessagesTable A-3 Table A-5 Memory Error MessagesKeyboard Error Messages Table A-4 Table A-7 Printer Error MessagesVideo Graphics Error Messages Table A-6 Table A-9 Diskette Drive Error MessagesSerial Interface Error Messages Table A-8 Table A-10 Modem Communications Error Messages Table A-12 System Status Error MessagesHard Drive Error Messages Table A-11 Table A-14 Table A-13 Audio Error Messages 17 DVD/CD-ROM Error MessagesNetwork Interface Error Messages Table A-19 Scsi Interface Error Messages 65xx-xx, 66xx-xxPointing Device Interface Error Messages Table A-18 12hp/Compaq Personal Computers Ascii Character Set Table B-1 Table B-1.ASCII Code Set Dec Hex Symbol Keyboard Keystroke Processing Parameter 1 PS/2-TYPE Keyboard Transmissions USB-TYPE Keyboard Transmissions Standard Enhanced Keyboards Keyboard Layouts Figure C-6.National Windows 102W-Key Keyboard Key Positions Windows Enhanced Keyboards Figure C-8.8-Button Easy Access Keyboard Layout Easy Access Keyboards Special Single-Keystroke Functions Keys Windows Keystrokes Multi-Keystroke Functions Button Easy Access Keyboard Easy Access Keystrokes Table C-1 Keyboard CommandsKeyboard-to-System Commands Scan Codes Keyboard Scan Codes Table C-2 Table C-2. Keyboard Scan Codes 14hp/Compaq Personal Computers Table C-2. Keyboard Scan Codes Figure C-9.PS/2 Keyboard Cable Connector Male Connectors Network Interface Controller Adapters Controller Type Featured on Wake UP Functions AOL Function Ipsec Function Acpi Environment APM Environment Table D-1 ConfigurationAdapter Programming Control Table D-3 Network ConnectorAdapter Specifications Adapter Specifications 8hp/Compaq Personal Computers Dimm support Index Specifications PhysicalDiskette Drive

HP D315 manual System Support

Models: D315

Technical Reference Guide

SYSTEM SUPPORT

4.1INTRODUCTION

Featuring the AMD Athlon XP Processor