IBM 9114-275 - IntelliStation POWER 275, Installation Manual, Page: 69 / 102

Installing or Replacing the Disk Drive Backplane
To replace the disk drive backplane, do the following:
1. Before handling any card, board, or memory DIMM, be sure to use your electrostatic discharge strap
to minimize static-electric discharge. Refer to “Handling Static-Sensitive Devices” on page 24.
2. If necessary, remove the disk drive backplane from the antistatic package.
3. If necessary, remove the disk drive backplane filler from the slot.
4. Carefully grasp the disk drive backplane by the latch tabs located on the top edge.
5. Insert the disk drive backplane into the system chassis at an angle to the chassis hooks, and align
the hooks with the guides on the disk drive backplane.
6. Tip the disk drive backplane forward onto the chassis hooks. Firmly press the disk drive backplane
into the connector until you feel the latch tabs lock into place.
7. Press the disk drives back into place and close the handle. Press any disk drive fillers back into
place.
8. Replace the fan tray assembly as described in “Fan Tray Assembly” on page 35
9. Reconnect the power source to the system.
10. Replace the service access cover as described in “Covers” on page 28.
11. Return the system to the operating position as described in “Placing the Model 275 into the Service
and Operating Position” on page 26.
12. Power on the system as described in “Starting the System” on page 25.
Chapter 3. Installing Options
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