Removing The System Board; System Reliability Considerations - IBM 8649 - Eserver xSeries 225 Maintenance And Troubleshooting Manual

14. Replace the side cover (see "Replacing the side cover" on page 67).
15. Reconnect the external cables and power cords; then, turn on the attached

Removing the system board

Before you begin:
v Read "Safety information" on page 129
v Review the information in "System reliability considerations" on page 33
Notes:
1. When replacing the system board, you must either update the system with the
2. It is recommended that the server be placed on its left side before performing
To remove the system board, complete the following steps:
10. Remove the mini-PCI video adapter. See "Mini-PCI video adapter" on page 86
11. Remove the microprocessor. See "Microprocessor and heat sink" on page 77
devices and the server.
latest firmware or restore the pre-existing firmware that the customer provides
on a diskette or CD image.
this service procedure. Rotate the feet in toward the server so they do not
detach due to the weight of the server.
1. Turn off the server, if it is on.
2. Unplug the server and disconnect the power cord; then, disconnect all external
cables.
3. Remove the side cover. See "Removing the side cover" on page 36
4. Remove the front bezel. See "Removing the bezel" on page 37
5. Remove the frame-support bracket. See "Removing and installing the support
bracket" on page 38
6. Disconnect the cables.
7. Remove both adapter-retaining brackets and the adapters (see "Installing an
adapter" on page 40).
8. Remove the air flow guide and the air baffles from over the microprocessor.
9. Remove memory modules. See "Installing memory modules" on page 55
Chapter 5. Field replaceable units
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