Replacing A Processor - Small Desktop Model - IBM 2254 Hardware Maintenance Manual

Replacing a processor - Small Desktop Model

Notes:
1. The BIOS and Vital Product Data (VPD) for the computer you are servicing must be
installed on the new system board (FRU) after it is installed in the computer. To do this,
you must run the Flash Update program using the Flash Update diskette. See "BIOS
levels" on page 193, "Vital product data" on page 192, and "Flash (BIOS/VPD) update
procedure" on page 194.
2. Always ensure the latest level of BIOS is installed on the computer. A down level BIOS
may cause false errors and unnecessary replacement of the system board.
3. The processor is a separate FRU from the system board and is not included with the
system board FRU.
4. If the new system board does not correct the problem, reinstall the options on the old
system board, reinstall the old system board, then replace the processor.
1. Remove the cover. See "Removing the cover - small desktop model" on page 26.
2. Remove the 4 screws that attach the system board to the chassis.
3. Remove the board from the chassis.
4. Remove the processor from the old system board and install it on the new system
board.
5. Remove any of the following installed options on the old system board, and
install them on the new system board.
• Memory modules
6. Ensure that the new system board jumper settings match the old system board
jumper settings.
Attention: When you handle ESD-sensitive devices, take precautions to avoid
damage from static electricity. For details on handling these devices, see "Handling
electrostatic discharge-sensitive devices" on page 204.
Chapter 5. FRU Replacements
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