Replacing The System Board - Silicon Graphics SGI 1100 Maintenance And Upgrade Manual

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2: Removing and Replacing System Components

Replacing the System Board

Follow these steps to remove the system board:

Remove the chassis cover as described in "Removing the Chassis Cover" on

page 21.

2. Remove the link bar, as described in "Removing the Link Bar" on page 25.

3. Remove the two rear system blowers as described in "Replacing the Rear Chassis

Blowers" on page 37.

4. Disconnect all cables from the system board.

Note: The diskette drive signal cable is delicate. To disconnect the diskette drive

signal cable from the diskette drive connector, lift the connector retaining latch and

then pull the signal cable out of the connector as shown in Figure 2-27 on page 52.

5. Remove 12 screws from the system board, 2 jackscrews from serial port 1, and 2

jackscrews from the VGA port, as shown in Figure 2-55.

6. Gently lift out the system board.

007-4047-001

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