Administrator's Guide

21. Loosen the two thumbscrews holding midplane board in place (1), pull the capacitive locking
pin out of the midplane board (2), and then lift the midplane board out of the enclosure (3).
Replacing the midplane board
To replace the midplane board:
1. Pull the capacitive locking pin out while inserting the midplane board.
2. Install the replacement midplane board by placing the midplane board in the enclosure (1),
push the capacitive locking pin into the midplane board (2), and then tighten the two
thumbscrews holding the midplane board in place (3).
3. Plug the rear UID PCA into the midplane board.
4. Plug the power cable into the server blade midplane.
5. Partially insert the drive drawer.
6. Plug the coil power plug into the midplane board.
7. Reattach the coil power plug bracket.
8. Reinsert the server blade airflow baffles.
9. Reinstall the server interposer board.
10. Push the hard drive drawer back into the enclosure.
11. Replace the top back panel.
12. Reinsert all rear components in the enclosure.
Removing and replacing the midplane board 81