Power Supply Bulkhead Replacement
To replace the power supply bulkhead, 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 54.
2. Insert the power supply bulkhead into the subsystem.
3. Align the three screw holes located on the top of the power supply bulkhead with
the three threaded screw holes located on the subsystem chassis.
4. Align the three screw holes located on the bottom of the power supply bulkhead
with the three threaded screw holes located on the subsystem chassis base.
5. Tighten the six power supply bulkhead retaining screws.
6. Replace the power supplies or the power supply filler as described in “Power
Supply Replacement” on page 171.
7. Reconnect the power cables to the power supplies
8. Replace the RIO bus adapter as described in “RIO Bus Adapter Replacement” on
page 141.
9. Reconnect the RIO-G cables from the RIO connectors located on the rear of the
subsystem.
10. Replace all of the previously removed PCI adapters as described in “Adding or
Replacing a Non-Hot-Pluggable PCI Adapter” on page 147.
Note: Alternately reinstall the PCI dividers, when reinstalling the PCI adapters.
11. Reconnect all PCI adapter cables to their respective adapters.
12. Reconnect the power source to the system. The green LED located on the power
supply comes on solid.
13. Close then secure the service access cover with the three thumbscrews located on
its back edge.
14. Push the Model D20 subsystem back to the operating position as described in
“D20 Operating Position” on page 126.
15. After the system has successfully powered on, close the rack doors.
174 Eserver pSeries 7311 Model D10 and Model D20 Service Guide
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