Lenovo PC 300 Hardware Maintenance Manual (HMM) for Aptiva, IBM PC300, and Net - Page 3

Contents Notices ...5 Voltage Supply Switch Settings ...5 Safety Information...6 Laser Compliance Statement...31 Trademarks...32 Preface...33 General Information ...35 Introduction ...36 Product Overview...37 Hardware Interfaces...40 CMOS Reset...41 Flash (BIOS) Update Procedure ...42 BIOS-contained Model Number and Serial Number 43 BIOS Setup Utility ...44 Working with the Setup Menus ...44 Start Options ...46 Advanced Setup...47 Power Management Setup...49 Set Password...49 Specifications...50 Operating Requirements ...51 Special Tools ...52 Check Procedures ...53 Introduction ...54 Start ...55 Index of Symptoms, Messages, Error Codes, or Beeps 57 Troubleshooting ...67 Factory-Installed Storage Devices ...68 Factory-Installed Modem Card...70 Audio (Not Supported by Diagnostics Program 71 CD-ROM Drive ...73 Memory ...74 Keyboard...75 Mouse ...76 Power Supply...77 Monitor ...79 Undetermined Problems ...80 Diagnostic Aids ...81 Introduction ...82 Power-On Self Test...83 Diagnostics Tools...84 Using Diagnostics Program from Recovery CD 84 Diagnostics Program Features...84 Repairing Information ...87 Removals and Replacements of Machine types 2193, 2194, and 6345 88 Identifying the Parts of the System Unit ...89 Top Cover ...91 Adapter Cards...92 Diskette Drive...93 CD-ROM Drive ...94 Hard Disk Drive...95 System Board ...95 Power Supply...97 Memory (DIMM) ...98 Copyright IBM Corp. 2000 3