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IBM 6644, 6645, 6646 106 IBM Desktop System HMM, System Board Connector Functions, NOTE: The white corner of the jumper block represents pin 1.

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106 IBM Desktop System HMMSystem Board Connector FunctionsNOTE: The white corner of the jumper block represents pin 1.

Connector Function Connect to...

CN2 Rear Universal

Serial Bus (USB)

connector

USB device

CN3 ATX Power Supply

Connector

Power supply

CN6 CRT VGA connector Monitor

CN7 IDE 2 CD-ROM

CN8 IDE 1 Hard Disk Drive

CN9 Test Serial Debug

PORT

CN10 POV conn ector POV board

CN11 Front Universal

Serial Bus (USB)

connector

USB device

CN12 CD- audio input

connector

CD-ROM

CN16 RFID connector RFID Antenna

CN17 Internal Speaker Internal Speaker

U2 CPU connector processor

FN1 CPU Fan co nnector processor Fan

BT1 System Battery

connector

System battery

JK1 Microphone in port Microphone

JK2 Line in port Audio signal input

JK3 Line out port Speaker

DIMM1

DIMM2

System memory

module connectors

Memory

SL1

SL2

PCI Slot Adapter Card

CNN1 Power Button,

Power LED and

HDD LED

Power Button

HDD LED

JP4 Amplifier Select

JP11 Amplifier Select

JP7 Boot Block / CMOS

Clear

Contents

Main Page Contents Page Page Page Notices Voltage Supply Switch Settings Safety Information Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Laser Compliance Statement Trademarks Preface General Information Page Product Overview Processors (Machine Type 6644) Processors (Machine Type 6645/ 6646) Pentium III Memory External Ports Hard Disk Drive CD-ROM Drive Multimedia Video Power Management Power Supply Internal Cabling Keyboard Mouse Hardware Interfaces Page Power-On Password Flash (BIOS) Update Procedure BIOS-contained Model Number and Serial Number Page BIOS Configuration/Setup Utility Working with the Setup Menus Starting the Configuration/Setup Utility Changing Parameter Settings Save Settings Restore Settings Loading Default Settings Exiting Setup Viewing System Information, and Product Data Devices and I/O ports USB Boot device Video Setup IDE Drive Setup Audio Setup Network Setup Startup Options Startup Sequence Power-On Self Test Power-On Logos Option Key Display System Security Enhanced Security Enabled/D isabled Security Profile by Device Remote Administration Power-On password Page Administrator Password Adapter ROM Security Asset ID Advanced Setup PCI Control Plug and Play Control Plug and Play Operating System Processor Control Power Management Wake on LAN Page Specifications Dimension (width x depth x height) Weight Environment Electrical input Operating Requirements Check Procedures Introduction Start Page Page Page Index of Symptoms, Messages, Error Codes, or Beeps Page 38 IBM Desktop System HMM NOTE: Check Procedures 39 NOTE: 40 IBM Desktop System HMM NOTE: Check Procedures 41 NOTE: 42 IBM Desktop System HMM NOTE: Check Procedures 43 NOTE: 44 IBM Desktop System HMM . NOTE: Check Procedures 45 NOTE: 46 IBM Desktop System HMM NOTE: Check Procedures 47 NOTE: 48 IBM Desktop System HMM Table 2-3 Error Symptoms List NOTE: NOTE: Check Procedures 49 NOTE: 50 IBM Desktop System HMM NOTE: Check Procedures 51 NOTE: 52 IBM Desktop System HMM NOTE: Check Procedures 53 NOTE: 54 IBM Desktop System HMM NOTE: Troubleshooting Factory-Installed Storage Devi ces Page Page Audio (Not Supported by Diagnostics Program) Page CD-ROM Drive Page Memory Keyboard Mouse Page Power Supply Page Monitor Page Undetermined Problems Page Page Page Page Power-On Self Test Page Diagnostic CD Using the Diagnostic CD Page Diagnostics Program Features Page Repair Information Removals and Replacements Page Processor and Fansink Page Page Page Page Internal Speaker USB Port Page Page Page Page Power Supply Power Button/Indicator LED and Cable Page System Backup Battery Handling ESD-Sensitive Parts Software Recovery Procedure Parts/Test Point Locati ons Introduction System Board Jumpers and Connectors 106 IBM Desktop System HMM System Board Connector Functions NOTE: The white corner of the jumper block represents pin 1. Power Supply Connectors and Voltages Page Network Cards Page Page Page Page Page CD-ROM Drive Rear Panel Connectors and Jumpers DIMM Configurations Parts/Test Point Locations 117 System Board Connector Pin Signals Monitor Port Signals IDE Cable Connector Signals 118 IBM Desktop System HMM Page General Guidelines Parts Catalog 122 IBM Desktop System HMM Abbreviations In this chapter, the following abbreviations are used to identify country and language version: Parts Catalog 123 System Assembly Assembly 1a: System Unit- Interior 124 IBM Desktop System HMM Parts Catalog 125 126 IBM Desktop System HMM Assembly 1b: System Unit - Exterior Parts Catalog 127 Assembly 2: Hard Drive 128 IBM Desktop System HMM Assembly 3: CD-ROM Drive Parts Catalog 129 Assembly 4: Power Cord 130 IBM Desktop System HMM Parts Catalog 131 Assembly 5: Keyboard and Mouse 132 IBM Desktop System HMM FRU Number List 133 Appendix A. FRU Number List 134 IBM Desktop System HMM FRU Number List 135 Page Index A B C D H I K M O