8.Remove the PCI-X board assembly from the I/O board:

a.Remove any adapters and adapter separators that are installed (see “Installing an adapter” on page 92), unplugging any necessary cables.

b.Release the PCI-X board assembly from the I/O board at the four notches that secure them together, then lift the PCI-X board assembly off of the I/O board and set it in a safe place.

Notches

PCI-X Assembly

PCI-X

Board

I/O Board

Tabs

9.Remove the VRM from the I/O board.

10.Remove all screws securing serial ports and video connectors to the back of the I/O board assembly.

11.Remove the eight screws securing the I/O board to the I/O board assembly, and slide the I/O board approximately 1 in. (2.54 cm) forward.

132IBM xSeries 450 Type 8688: Hardware Maintenance Manual and Troubleshooting Guide

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IBM 8688 manual Pci-X