Chapter 3
Removing and Replacing Components
Removing and Replacing the I/O Fan Mounting Frame
105
Removing and Replacing the I/O Fan Mounting Frame
The I/O fan mounting frame holds the five I/O fans and is located in the front of the server. The server must
be shut down to perform this task.
Removing the I/O Fan Mounting Frame
Step 1. Open the front and rear cabinet doors.
Step 2. Tag and remove all cables from the I/O card cages.
Step 3. Remove all of the I/O card cages or EMI blank panel if present.
Step 4. Remove I/O bay dividers from the front and rear I/O bays.
Step 5. Remove all I/O fans.
Step 6. Loosen the two thumbscrews that secure the front and rear MIOB to the I/O fan mounting frame.
Step 7. Rotate the front and rear MIOBs downward.
Step 8. Loosen the four T-20 captive screws that hold the I/O fan mounting frame in position. There are two
screws on the front and two on the rear.
Step 9. Disconnect the I/O OL* LED connectors from the front and rear MIOBS.
Step 10. From the rear, lift the fan mounting frame up and remove from the cabinet. Be careful not to snag
any of the cables.
Replacing the I/O Fan Mounting Frame
Step 1. Place the I/O fan mounting frame into position and secure it with four T-20 captive screws.
Step 2. Rotate the front and rear MIOBs upward into position.
Step 3. Secure the front and rear MIOBs to the I/O fan mounting bracket by tightening the two
thumbscrews on each.
Step 4. Replace all I/O fans.
Step 5. Replace the I/O bay dividers in the front and rear I/O bays.
Step 6. Replace all of the I/O card cages or EMI blank panel if present.
Step 7. Reconnect all cables to the I/O card cages.
Step 8. Close the front and rear cabinet doors.
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