Removing the system board
Use this information to remove the system board.
About this task
Notes:
1. 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.
2. Before you replace the system board, make sure that you back up any features
on demand (FoD) keys that were enabled. Reactivate any Features on Demand
features. Instructions for automating the activation of features and installing
activation keys is in the IBM Features on Demand User's Guide. To download the
document, go to /, log in, and click Help.
To remove the system board, complete the following steps:
Procedure
1. Read the safety information that begins on “Safety” on page vii, “Handling
static-sensitive devices” on page 36, and “Installation guidelines” on page 33.
2. Turn off the server and any attached devices.
3. Turn off the peripheral devices and disconnect all power cords.
Note: 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.
4. Pull the power supplies out of the rear of the server, just enough to disengage
them from the server.
5. Remove the cover (see “Removing the cover” on page 36).
6. Remove the air baffle (see “Removing the air baffle” on page 37).
7. Remove all PCI riser-card assemblies and adapters (see “Removing a PCI
riser-card assembly” on page 244 and “Removing an adapter” on page 248).
8. Remove the ServeRAID SAS/SATA controller (see “Removing a ServeRAID
SAS/SATA controller” on page 254).
9. Remove the dual-port network adapter (see “Removing the dual-port network
adapter” on page 262).
10. Remove the memory modules and set them aside on a static-protective surface
for reinstallation (see “Removing a memory module” on page 236).
Note: Make a note of the location of each DIMM as you remove it, so that
you can later reinstall it in the same connector.
11. (Trained technician only) Remove all heat sinks and microprocessors, and set
them aside on a static-protective surface for reinstallation (see “Removing a
microprocessor and heat sink” on page 311).
Notes:
a. Remove the socket covers from the microprocessor sockets on the new
system board and place them on the microprocessor sockets of the system
board you are removing.
Chapter 6. Removing and replacing components 327
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