IBM eServer xSeries 455 Type 8855 Hardware Maintenance Manual And Troubleshooting Manual page 154

13. Remove the riser card from the I/O board, disconnecting any cables.
14. Unplug the SCSI cable from the I/O board.
15. To replace the I/O board, reverse the previous steps.
16. Restart the server; then, update the firmware (see "Updating the firmware" on
144
IBM xSeries 455 Type 8855: Hardware Maintenance Manual and Troubleshooting Guide
System
management
board
System-
management
board
I/O board
page 43).
Screws from
serial port
Riser card
I/O board
SCSI cable
Screws from
video port
SCSI cable
Riser
card
Screw from
RXE port
Screws from
serial port