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HP dx2000 Pin, Pin, Pin, Pin, Pin, Pin, Pin, Pin, Signal, Signal, Signal, Signal, Signal, Signal, Signal, Signal, Connector, Connector, 20-PinPower, Connector and Icon

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Connector Pin Assignments

ATA/ATAPI (IDE) Standard Drive CableConnector

Pin	Signal	Pin	Signal	Pin	Signal

1	Reset	15	DD1	29	DMAK
2	Ground	16	DD14	30	Ground
3	DD7	17	DD0	31	INTRQ
4	DD8	18	DD15	32	IOCS16
5	DD6	19	Ground	33	DA1

6	DD9	20	(Key)	34	PDIAG (cable detect)
7	DD5	21	DMARQ	35	DA0
8	DD10	22	Ground	36	DA2
9	DD4	23	DIOW	37	CS1FX
10	DD11	24	Ground	38	CS3FX

11	DD3	25	DIOR	39	DASP
12	DD12	26	Ground	40	Ground
13	DD2	27	IORDY
14	DD13	28	CSEL

20-Pin Power

Connector

			20				11





				10			1

Pin	Signal	Pin	Signal			Pin		Signal	Pin	Signal

1	+3.3 V	6	+5 V		11			+3.3 V	16	GND
2	+3.3 V	7	GND		12			-12 V	17	GND
3	GND	8	POK		13			GND	18	open*
4	+5 V	9	+5 Vaux		14			PSON	19	+5 V
5	GND	10	+12 V		15			GND	20	+5 V

*Open for d300 series computers; -5V for all others

4-Pin Power (for CPU)

Connector and Icon	Pin	Signal

	1	GND
	2	GND


	3	+12 V



	4	-12 V
	4	-12 V

A–4

359782-002

Service Reference Guide, dx2000 uT

Contents

Page Page Service Reference Guide Service Reference Guide Contents 1 Installing the Operating System 2 Setup Utilities and Diagnostics Features 3 Desktop Management 4 Ultra ATA Drive Guidelines and Features 5 Identifying the Chassis, Routine Care, and Disassembly Preparation 6 Removal and Replacement Procedures— Microtower (µT) Chassis AConnector Pin Assignments BPower Cord Set Requirements CPOST Error Messages DTroubleshooting Without Diagnostics EMemory Page Installing the Operating System 1.1Microsoft Windows XP 1.1.1 Installing or Upgrading Device Drivers 1.2Converting to NTFS 1.2.1 Windows XP Home and XP Professional 1.3HP Software Setup Utilities and Diagnostics Features 2.1Power-On Self-Test(POST) 2.2 Computer Setup Utilities 2.2.1Using Computer Setup (F10) Utilities Esc File Save Changes and Exit Ignore Changes and Exit Set Defaults and Exit 2.2.2 Computer Setup Menu Page Page Page 2.3 Protecting the Software 2.4 Restoring the Software Desktop Management 3.1Initial Configuration and Deployment 3.2 ROM Flash 3.2.1 FailSafe Boot Block ROM 3.2.2Dual-StatePower Button 3.2.3 Power Management 3.2.4 World Wide Web Site 3.3Security 3.3.1 Password Security 3.3.2 Establishing a Setup Password Using Computer Setup 3.3.3 Establishing a Power-OnPassword Using Computer Setup Entering a Power-OnPassword Entering a Setup Password Changing a Power-Onor Setup Password Deleting a Power-Onor Setup Password National Keyboard Delimiter Characters Clearing Passwords 3.3.4 Surge-TolerantPower Supply Page Ultra ATA Drive Guidelines and Features 4.1Ultra ATA Jumpers 4.2Ultra ATA Cables 4.2.1 Cable Layout Single-DriveCable 4.3Drive Installation Guidelines 4.3.1 Device Classes General Attach Guidelines 4.3.2Attach Sequence Rules by Class Priority 4.3.3Attach Sequence Worksheet Example 1: Three Device Installation Sample Example 2: Four Device Installation Sample 4.3.4Additional Drive Application Notes 4.4 SMART 4.5 Drive Capacities Page Identifying the Chassis, Routine Care, and Disassembly Preparation 5.1Chassis Designations 5.1.1 Microtower (µT) 5.2Electrostatic Discharge Information 5.2.1 Generating Static 5.2.2 Preventing Electrostatic Damage to Equipment 5.2.3 Personal Grounding Methods and Equipment 5.2.4 Grounding the Work Area 5.2.5Recommended Materials and Equipment 5.3Routine Care 5.3.1General Cleaning Safety Precautions 5.3.2Cleaning the Computer Case 5.3.3 Cleaning the Keyboard 5.3.4Cleaning the Monitor 5.3.5Cleaning the Mouse 5.4Service Considerations 5.4.1 Power Supply Fan 5.4.2Tools and Software Requirements 5.4.3Screws 5.4.4 Cables and Connectors 5.4.5Hard Drives 5.4.6Lithium Coin Cell Battery Page Removal and Replacement Procedures— Microtower (µT) Chassis 6.1Preparation for Disassembly 6.2Access Panel 6.3Front Bezel 6.4Front Drive Bezels 6.4.1 5.25" Drive Bezel Blank 6.4.2 Diskette Drive Bezel 6.5 Memory 6.5.1Installing Memory Modules Page 6.6Expansion Card 6.7 Drives 6.7.1Drive Positions 6.7.2Removing a 5.25" Drive 6.7.3Removing a Diskette Drive 6.7.4Removing the Lower Drive Cage 6.7.5Removing a 3.5" Hard Drive 6.8Front USB Device 6.9Power Switch Assembly 6.10Speaker 6.11System Fan 6.12Processor and Heatsink 6.13 System Board 6.14 Battery Page 6.15Power Supply Connector Pin Assignments Parallel Interface Serial Interface, Powered and Non-Powered USB Microphone Connector and Icon (1/8" miniphone) Pin Headphone Line-InAudio Line-OutAudio Monitor ATA/ATAPI (IDE) Standard Drive Cable Connector 20-PinPower 4-PinPower (for CPU) Power Cord Set Requirements General Requirements Country-SpecificRequirements POST Error Messages Page Load Default Settings > Save and Exit Control Panel Page Troubleshooting Without Diagnostics Preliminary Checklist Solving Minor Problems Solving Minor Problems (Continued) Solving Power Supply Problems Solving Diskette Problems Solving Hard Drive Problems Solving Hard Drive Problems (Continued) Select File > Properties > Tools Under Error-checking,click Check Now Advanced Storage Boot Order list Solving Display Problems Solving Display Problems (Continued) Page Solving Audio Problems Solving Audio Problems (Continued) Output Mode Solving Printer Problems Solving Keyboard and Mouse Problems Solving Hardware Installation Problems Solving Hardware Installation Problems (Continued) Solving Network Problems Solving Network Problems (Continued) Network Solving Memory Problems Solving Processor Problems Solving CD-ROMand DVD Problems Solving Drive Key Problems Solving Internet Access Problems Solving Internet Access Problems (Continued) 1. Select Start > Control Panel Internet Options Select Start > Control click the Device Manager Ports (COM & LPT) Properties Page Memory DIMM Sockets Index