IBM 81Y Computer Hardware User Manual


 
114 Hardware Maintenance Manual: xSeries 250
1 Cutouts
2 Processor/PCI Backplane assembly
3 Microprocessors
1. Power-off the server, if it is on.
2. Disconnect the power cord for each power source from the electrical outlet.
Attention: The presence of ac standby power might result in damage to the
hardware unless you disconnect the power cord for each power source from the
electrical outlet.
3. Remove the top cover (see “Removing the top cover” on page 59).
4. Disconnect the shuttle (see “Disconnecting the shuttle” on page 108.)
5. Remove the shuttle (see “Removing the shuttle” on page 115).
6. Disconnect the power cable.
7. Disconnect the front fan cable.
8. Disconnect the rear fan cable.
9. Remove any hot-plug adapters (reverse the steps in “Installing a hot-plug adapter
(slots 3 through 6)” on page 62.)
10. Remove microprocessors, voltage regulator modules and terminator cards
(reverse the steps in “Installing a microprocessor kit” on page 86.)
11. Remove memory card.
12. Press the assembly inward at the cutouts to release the notches.
13. Lift the assembly out of the shuttle.
Note: Lift the assembly at an angle for easier removal.
14. To install the new Processor/PCI board, reverse the above procedure.