Replacement Of I/O Board - IBM RS/6000 44P 270 Service Manual

15. Remove the I/O board from the system unit by carefully sliding it out and away
from the system unit. Ensure that all of the rear connectors on the I/O board clear
the system unit frame.

Replacement of I/O Board

To replace the I/O board, perform the removal steps in the reverse order.
Inform the user that he must reconfigure the boot sequence settings, system
management service console selection, and the clock.
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Service Guide