Compaq EXS Series, EX Series manual Connectors and Jumpers

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chapter 5

CONNECTORS AND JUMPERS

This chapter provides connector, jumper, and switch information for system board jumpers, system I/O board connectors, and hard drives for the Desktop Model.

5.1System Board

5.1.1Connectors and Jumpers

CR28	3.3V Aux LED	P12	SOS Connector
CR29	3.3V Main LED (NI)	P20	Primary IDE Connector
E6	Firmware Hub Top Block Lock (Installed=Bootblock	P21	Secondary IDE Connector
	unprotected, Removed=Bootblock protected)
E29	SCSI LED Cable Connector	P70	CPU Fan Connector
E49	Clear Password Header (Installed = Enabled,	P100	ITP Connector (NI)
	Removed = Cleared)
J20-22	PCI Slots	P701	CD-ROM Audio
J40	AGP/AIMM Connector	P216	Chassis Fan Connector
P1	Power Supply Connector	SW50	Clear CMOS
P5	Power Button, Front Panel LED Cable Connector	XBT1	CMOS Battery
P10	Diskette Drive Connector	XMM1-2	DIMM Memory Slots
P11	Aux Audio Connector	XU1	Primary Processor Socket

Compaq Deskpro EX and Deskpro EXS Series of Personal Computers 5-1

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Contents Maintenance & Service Guide Maintenance & Service Guide Maintenance & Service Guide Contents Removal and Replacement Procedures Specifications Technician Notes Symbols and ConventionsAbout this Guide Locating Additional Information Chapter Product DescriptionComponent/Function Computer FeaturesFront Panel Controls and LEDs Rear Panel Connectors ComponentReference Drive Bay Configuration Drive PositionsSerial Number Location Spare Parts Spare Part Warranty Description Number Tier System UnitMass Storage Devices Cables Standard, Memory, and Expansion Boards Miscellaneous Plastics Kit Keyboards not illustrated Miscellaneous Screw Kit not illustratedDocumentation and Software not illustrated Miscellaneous Parts not illustratedShipping Boxes not illustrated Description Spare Part NumberGenerating Static Removal & Replacement PreliminariesElectrostatic Discharge Information Relative Humidity Event 55% 40% 10%Grounding Workstations Preventing Electrostatic Damage to EquipmentPersonal Grounding Methods and Equipment Method VoltageRecommended Materials and Equipment General Cleaning Safety PrecautionsRoutine Care Cleaning the Monitor Cleaning the Computer CaseCleaning the Keyboard Power Supply Fan Service ConsiderationsCleaning the Mouse Tools and Software RequirementsHard Drives Cables and ConnectorsLithium Coin Cell Battery Removal and Replacement Procedures Disassembly Sequence ChartDisassembly Preparation Feet Installation Cable Lock Access Panel Front Bezel Power Button Subpanel and Bezel Blanks Power Switch Assembly Drive Positions Using the Cable-Select Feature with Ultra ATA Devices Removing an Internal 3.5-Inch Hard Drive Removing an External 5.25-Inch Drive Removing an External 3.5-Inch Drive Page Expansion Boards Expansion Board SlotsRemoving a PCI Expansion Board Installing a PCI Expansion Board Page DIMMs Memory Module InstallationSystem Memory Page Graphics Cards Installing a GPA/AIMM Card 24Removal & Replacement Procedures AGP Card with a Type I Retention Mechanism Removing an AGP Card13.3 GPA/AIMM Card with a Type 2 Retention Mechanism AGP Card with a Type 2 Retention Mechanism Standard AGP Expansion Card Processor 30Removal & Replacement Procedures System Board Battery Chassis Fan Assembly Power Supply Connectors and Jumpers Connectors and JumpersClearing Cmos Disabling or Clearing the Power-On and Setup Passwords Definition Seagate Quantum Western Digital Hard Drive Jumper SettingsSeagate, Quantum, and Western Digital Maxtor Definition J50 J48 J46 J44 J42System SpecificationsSpecifications Hardware IRQ System Function System InterruptsSystem DMA Hardware DMA System FunctionICH Fixed I/O Registers Port Register NameICH Fixed I/O Registers Port Register Name System Memory Map Size Memory Address System FunctionDrives MB Diskette DriveUltra ATA Hard Drives 10.0 GB 15.0 GBCD-ROM Drives 48X MaxCompaq Keyboard Scroll MouseIntel 3D Graphics Supported Graphics ResolutionsColor Depth Mode Bits/pixel Refresh Rate Hz NVIDIA M64 ProIndex 2Index