Installing The System Board - IBM xSeries 306m Problem Determination And Service Manual

10. Remove the remaining nine screws that secure the system board to the
11. Lift the system board out of the server.

Installing the system board

Note: When reassembling the components in the server, be sure to route all cables
carefully so that they are not exposed to excessive pressure.
To reinstall the system board, complete the following steps:
10. Slide the server into the rack.
11. Connect all external cables and the power cord; then, turn on the server.
Important: Perform the following updates:
v Either update the server with the latest SAS/SATA or SATA firmware or restore
v Update the UUID (see "Updating the UUID" on page 17).
v Update the DMI/SMBIOS (see "Updating the DMI/SMBIOS data" on page 17).
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IBM xSeries 306m Types 8849 and 8491: Problem Determination and Service Guide
chassis, and put the screws in a safe place.
1. Align the system board with the chassis, and replace the nine screws that you
removed in step 10 of "Removing the system board" on page 59.
2. Orient the microprocessor retention module as shown in the illustration.
3. Replace the microprocessor retention module. Secure it with the four screws
you removed in step 9 of "Removing the system board" on page 59.
4. Replace the microprocessor and microprocessor heat exchanger assembly
(see "Installing the microprocessor" on page 56).
5. Reconnect to the system board the cables that you disconnected in step 6 of
"Removing the system board" on page 59.
6. (Hot-swap model only) Replace the SAS/SATA controller (see "Installing the
SAS/SATA controller" on page 52).
7. Replace the DIMMs (see "Installing a memory module (DIMM)" on page 39).
8. Replace the riser-card assembly and adapters.
9. Replace the server cover (see Installing the cover).
the pre-existing firmware from a diskette or CD image.