14. Lift up the system board and carefully remove it from the server, being careful
not to damage any surrounding components.
15. Remove the socket dust covers from the microprocessor sockets on the new
system board and place them on the microprocessor sockets of the old system
board that you are removing.
16. If you are instructed to return the system board, follow all packaging
instructions, and use any packaging materials for shipping that are supplied to
you.
Installing the system board
Notes:
1. When you reassemble the components in the server, be sure to route all cables
carefully so that they are not exposed to excessive pressure.
2. When you replace the system board, you must either update the server with the
latest firmware or restore the pre-existing firmware that the customer provides
on a diskette or CD image. Make sure that you have the latest firmware or a
copy of the pre-existing firmware before you proceed. See “Updating the
firmware” on page 255, “Updating the Universal Unique Identifier (UUID)” on
page 274, and “Updating the DMI/SMBIOS data” on page 276 for more
information.
Important: Some cluster solutions require specific code levels or coordinated code
updates. If the device is part of a cluster solution, verify that the latest level of code
is supported for the cluster solution before you update the code
To install the system board, complete the following steps:
1. Read the safety information that begins on page vii and “Installation guidelines”
on page 167.
2. Align the system board with the chassis; then, lower the system board into the
chassis and slide the system board toward the rear of the server until the
system board is seated firmly into the locator pins on the chassis.
252 IBM System x3550 M3 Types 4254 and 7944: Problem Determination and Service Guide
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