IBM 8688 manual PCI-X board assembly

Attention: To avoid breaking the retaining clips or damaging the VRM connectors, open and close the clips gently.

7.Turn the VRM so that the VRM keys align correctly with the slot.

8.Insert the VRM into the connector by aligning the edges of the VRM with the slots at the ends of the VRM connector. Firmly press the VRM straight down into the connector by applying pressure on both ends of the VRM simultaneously. The retaining clips snap into the locked position when the VRM is firmly seated in the connector. If there is a gap between the VRM and the retaining clips, the VRM has not been correctly inserted; open the retaining clips, remove the VRM, and then reinsert it.

PCI-X board assembly

The PCI-X board assembly contains the following components:

vActive PCI assembly

vMidplane board

vI/O board

vPCI and PCI-X adapters and spacers

vPCI-X board

vRiser card

vRemote Supervisor Adapter

vVRMs

The PCI-X board assembly must be removed from the server to access many of these components.

Before you begin:

vRead “Installation guidelines” on page 77.

vRead the safety notices at “Safety notices (multilingual translations)” on page 201.

vRead “Handling static-sensitive devices” on page 200.

Complete the following steps to remove the PCI-X board assembly from the server:

1.Turn off the server (see “Turning off the server” on page 8), and disconnect all power cords and external cables.

2.Remove the front bezel. See “Removing and replacing the bezel” on page 89.

Chapter 5. Field replaceable units 123