I/O Drawer Backplane Assembly
Removal
Attention: If a primary I/O backplane is replaced, be aware that the service processor
is integrated into the primary I/O backplane logic. Replacing the primary I/O backplane
replaces the service processor.
1. Turn off power as described in “Powering Off the System” on page 429.
2. Place the I/O drawer in the rear service position as described in “Rear Service
Position” on page 467.
3. Remove the two thumbscrews and remove the back cover.
Rear
Cover
4. Disconnect and label all cables from the rear of the assembly.
5. Remove boot disk drives if installed. (See “Internal Disk Drives” on page 458.)
6. Remove and label adapters. (See “PCI Adapters” on page 431.)
7. Remove two screws from each side of the assembly.
8. Disconnect and label all cables from the front of the assembly.
Chapter 9. Removal and Replacement Procedures 447
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