D20 Disk Drive Backplane
Before performing the following procedure, read “Safety Considerations” on page 53.
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 162.
2. Remove the four cooling blowers as described in “Hot-Swap Blower Removal” on
page 134.
Note: Removing the cooling blowers adds visibility to 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 165.
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 4 Disk Drive Cage
2 Model D20 5 Disk Drives
3 Disk Drive Backplane 6 Front Bezel
Chapter 8. Removal and Replacement Procedures
167
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