Lenovo 5458 Installation And Service Manual page 283

6. Reconnect all of the cables on the system board that you removed.
7. Route the cables through the cable tie if any.
8. Reinstall the air baffle if it was removed before (see "Replacing the air baffle"
on page 80).
9. Push the power supplies back into the server.
10. Reinstall the cover (see "Replacing the cover" on page 81).
What to do next
1. Install the server into the rack enclosure and push the server into the rack until
it clicks into place.
2. Reconnect the power cords and any cables that you removed.
3. Turn on the peripheral devices and the server.
Removing the system board
Use this information to remove the system board.
Before you begin
Note:
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. When you replace the system board, make sure that you remove the Integrated
Management Module II (IMM2) Advanced Upgrade and place it on the new
system board. For information about the Advanced Upgrade, see "Using the
remote presence and blue-screen capture features" on page 98
Note: You have to reactivate the Features on Demand (FoD) after replacing the
system board.
3. 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 after replacing the system board. Instructions for automating the
activation of features and installing activation keys is in the Lenovo Features on
Demand User's Guide. To download the document, go to http://www.ibm.com/
systems/x/fod/, log in, and click Help.
Read the safety information in "Safety" on page v and "Installation guidelines" on
page 31.
If you are replacing a server component in the server, you need to slide the server
out from the rack enclosure, turn off the server and peripheral devices, and
disconnect the power cords and all external cables.
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
About this task
To remove the system board, complete the following steps.
Chapter 6. Removing and replacing server components
267