HP A3312A - Manual (Page 105)

Service
Backplane Assembly
99
Service
Rackmount Backplane Assembly
CAUTION! The following procedures require that you turn off the storage enclosure and
make it inaccessible. Check with the system administrator before proceeding.
To replace the rackmount backplane assembly (Figure 46):
1. Disconnect the AC Power cords and SCSI interface cables.
2. Remove all modules from the bays.
3. Remove eight standoffs (23) from four SCSI connectors with a flat-bladed screwdriver.
4. Remove eleven M4/T15 screws (14).
5. Remove the backplane assembly (24).
6. Reassemble the backplane assembly in reverse order, ensuring that it is seated properly. Align the
power switch push rod (19) with the power switch on the backplane assembly and check for proper
operation.