IBM 3746-900 Installation And Maintenance Manual page 147

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b. Pull up the back end of the cover, and swing the cover toward the front of
the computer.
6. Some FRUs need a special procedure or attention. Use Table 5-1 to select the
appropriate procedure.
Note: Each time you change a FRU, check the presence of jumpers. Install
the jumpers on the new FRU as they were on the defective FRU.
Table 5-1. FRU Exchange Procedures
Service Processor
FRU to Exchange
Battery
Board
Processor
Hard Disk Drive
CD-ROM
Diskette Drive
Display or
Token-Ring
Adapter Card
Other FRUs
Action
Go to "Battery Exchange" on page 5-4.
Go to "Board Exchange" on page 5-4.
Go to "Processor Exchange" on page 5-5.
Go to "Hard Disk Drive Exchange" on page 5-6.
Go to "CD-ROM Drive Exchange" on page 5-7.
Go to "Diskette Drive Exchange" on page 5-7.
Go to "Token-Ring Adapter Card Exchange" on page 5-8.
Go to "Other FRUs Exchange" on page 5-9.
Chapter 5. Service Processor FRUs / Display Exchange
5-3