ï›™Copyright IBM Corp. 1998 4-1
Repair Information
Repairing Information ................................................................................ 4-1
Removals and Replacements (Machine Type 2153)....................................4-2
Identifying the Parts of the System Unit..................................................4-3
Cover ...................................................................................................... 4-5
Bay Panels.............................................................................................. 4-7
Bays 1, 2 (5.25-In. Internal/External Bays) .............................................4-9
Bay 3, 4 (3.5-In. Diskette/Hard Disk Drives) ......................................... 4-10
Power Supply........................................................................................ 4-13
Adapter Cards....................................................................................... 4-14
Memory(DIMM)..................................................................................... 4-15
Processor.............................................................................................. 4-16
System Backup Battery......................................................................... 4-18
Indicator LED and Cable....................................................................... 4-19
System Board ....................................................................................... 4-20
Removals and Replacements (Machine Type 2139)..................................4-22
Identifying the Parts of the System Unit................................................4-23
Cover .................................................................................................... 4-25
Bay Panels............................................................................................ 4-28
Bays 1, 2, 3 (5.25-In. Internal/External Bays) .......................................4-30
Bay 4, 5 (3.5-In. Diskette/Hard Disk Drives) ......................................... 4-31
Power Supply........................................................................................ 4-33
Adapter Cards....................................................................................... 4-35
Memory(DIMM)..................................................................................... 4-36
Pentium II Processor Module................................................................ 4-37
Installing the Processor Heat Sink and Fan.......................................... 4-39
System Backup Battery......................................................................... 4-42
Indicator LED and Cable....................................................................... 4-43
System Board ....................................................................................... 4-44
Handling ESD-Sensitive Parts .............................................................. 4-46
Software Recovery Procedure.................................................................... 4-47
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