12.Remove the Remote Supervisor Adapter from the riser card, disconnecting any cables, and set it in a safe place.

System management board

Screws from serial port

Screws from video port

SCSI cable

Riser card

I/O board

13. Remove the riser card from the I/O board, disconnecting any cables.

System- management board

Riser card

Screws from

serial port

I/O board

SCSI cable

14.To replace the I/O board, reverse the previous steps.

15.Restart the server; then, update the firmware (see “Updating the firmware” on page 39).

If you cannot restart the server after updating the firmware, complete the following steps:

1.Attach an ANSI terminal emulator to the serial port of the Remote Supervisor Adapter of the server using a null modem cable. Use communications settings of 57600 baud, 8 data bits, no parity, 1 stop bit, no flow control.

2.Press Esc to access the login screen on the ANSI terminal emulator. A login window is displayed.

Chapter 5. Field replaceable units 133

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IBM 8688 manual Field replaceable units