D20 Disk Drive Backplane - IBM pSeries 7311 D10 Service Manual

D20 Disk Drive Backplane

Before performing the following procedure, read "Safety Considerations" on page 41.
Disk Drive Backplane Removal
To remove the disk drive backplane, do the following:
1. Remove all hot-plug disk drives as described in "Hot-Plug Disk Drive Removal" on page 143.
2. Remove the four cooling blowers as described in "Hot-Swap Blower Removal" on page 119.
Note: Removing the cooling blowers enables you to view the disk drive backplanes.
3. Disconnect the cables connected to the disk drive backplane.
4. Remove the 8 retaining screws that secure the disk drive cage as described in "Disk Drive Cage
Removal" on page 146.
5. Pull the disk drive cage assembly out of the system.
6. Remove the 2 retaining screws that secure the disk drive backplane to the subsystem chassis.
7. Grasp the disk drive backplane from the bottom of one of the connectors and pull it out of the chassis,
bottom first.
1 Cooling Blowers
2 Model D20
3 Disk Drive Backplane
148 Eserver pSeries 7311 Model D10 and Model D20 Service Guide
4 Disk Drive Cage
5 Disk Drives
6 Front Bezel