IBM 2274 - page 105

Check Procedures 71

007 - DO YOU HAVE AN OHM READING WHEN

THE SWITCH IS PRESSED AND AN OPEN

READING WHEN THE SWITCH IS RELEASED?

(YES, READ AHEAD. NO, GO TO STEP 008.)

• Replace the on/off switch cable assembly.

008 -

• Replace the system board.

• End.

009 -

• Replace the power supply.

• End.

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 Page Page Laser Compliance Statement Trademarks Preface Page General Information Page Product Overview Processor Memory External Port Diskette Drive Hard Disk Drive DVD-ROM Drive Multimedia Power Management Power Supply Internal Cabling Monitor (Not included with some models) Page 8 IBM Desktop System HMM Hardware Interfaces General Information 9 Page Power-On Password Flash (BIOS) Update Proc edure BIOS-contained Model Number and Serial Number BIOS Configuration/Setup Util ity Working with the Configurati on/Setup Utility Menu Starting the Configuration/Setu p U tility Changing Parameter Settings Save & Exit Settings Loading Default Settings Exiting Without Saving Viewing System Information , and Product Data Devices and I/O ports Diskette Drive A Diskette Drive B Serial Port S etup Parallel Port Setup USB Setup IDE Drives Setup Audio Setup Startup Options Startup Sequence Keyboard NumLock Status Disketteless Operation Keyboardless Operation Power On Self Test Date and Time Power-On password Page Administrator Password Advanced Setup Cache Control ROM Shadowing Power Management Setup ACPI function APM Page Page Automatic Power On ACPI Suspend Type Page Specifications Dimension (width x depth x height) Weight Environmen Power consumption Operating Requirements Check Procedures Introduction Start Page Page Page Index of Symptoms, M essages, Error Codes, or Beeps Page 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 Table 2-2 BIOS Error Beeps List NOTE: Table 2-1 POS T Er ro r Co des an d Messages List NOTE: Check Procedures 45 NOTE: 46 IBM Desktop System HMM NOTE: Check Procedures 47 48 IBM Desktop System HMM NOTE: Check Procedures 49 NOTE: 50 IBM Desktop System HMM Check Procedures 51 52 IBM Desktop System HMM Check Procedures 53 Troubleshooting Factory-Installed Storage Device s Page Page Factory-Installed Modem Card Page Audio (Not Supported b y Diagnostics Program) Page Page CD/DVD-ROM Drive Page Memory Keyboard Mouse Page Power Supply Page Page Monitor Page Undetermined Problems Page Page Page Page Power-On Self Test Keyboard Page Diagnostic Diskette Using the Diagnostic Diskette Using Diagnostic Program from Recovery CD Diagnostics Program Features Page Repair Informati on Removals and Replacements Handling ESD-Sensitive Parts Identifying the Parts of the System Unit Page Cover Page Bay Panels Page Page Page Page Power Supply Adapter Cards Memory(DIMM AMD K7 Duron Processor Page System Backup Battery Page System Board Page Page Parts/Test Point Locations Introduction Parts/Test Point Locations 109 System Board Jumpers and Connectors System Board Connector Functions NOTE: The blackened pin of a jumper represents pin 1. System Board Jumper Setting 110 IBM Desktop System HMM NOTE: The white corner of the jumper block represents pin 1. Power Supply Connectors and Voltages Page Network Cards Page Page Page Page Page Page Page CD-ROM Drive Rear Panel C o nnectors and Jumpers CD-ROM R/W Drive CD-ROM R/W Drive Rear Panel Connectors and Jumpers DVD-ROM Drive Front Panel and Emergency-Exit DVD-ROM Drive Rear Panel Connectors and Jumpers DIMM Configurations Parts/Test Point Locations 127 System Board Connect or Pin Signals Monitor Port Signals Serial Port Signals 128 IBM Desktop System HMM Parallel Port Signals Mouse Port Signals Keyboard Port Signals Parts/Test Point Locations 129 Diskette Drive Cable Conne ctor Signals 130 IBM Desktop System HMM IDE Cable Connector Signals Page General Guidelines Parts Catalog 134 IBM Desktop System HMM Abbreviations In this chapter, the following abbreviations are used to identify country and language version: Parts Catalog 135 System Assembly Assembly 1: System U ni 136 IBM Desktop System HMM Page 138 IBM Desktop System HMM Assembly 3: CD/DVD-ROM Drive Parts Catalog 139 Assembly 4: Power Cord 140 IBM Desktop System HMM Assembly 5: Keyboard and Mouse FRU Number List 141 Appendix A. FRU Number List 142 IBM Desktop System HMM Appendix B. Online Support Information Page Index A B C D H I K M O R S T U