IBM 8688 manual Power/reset card assembly, Light Path card

Power/reset card assembly

The power/reset card assembly is located on the left front of the server.

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 power/reset card assembly:

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).

3.Remove fans 3 and 4 to access the power/reset cable (see “Replacing fan 3 or 4” on page 108).

4.Disconnect the power/reset card cable from the I/O board.

5.Remove the screw that attaches the card to the chassis, and carefully set it aside.

6.Remove the card assembly from the server by drawing the cable through the channel in the side of the chassis and out the front.

7.To replace the card assembly, reverse the previous steps, threading the cable through the gap in the chassis.

Light Path card

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 Light Path card:

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

2.Remove the two front fans (see “Replacing fan 1 or 2” on page 107).

3.Remove the front bezel (see “Removing and replacing the bezel” on page 89).

4.Open the cover (see “Opening the cover” on page 88).

144IBM xSeries 450 Type 8688: Hardware Maintenance Manual and Troubleshooting Guide