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APPENDIX
104
WD SENTINEL RX4100
ADMINISTRATOR AND MAINTENANCE GUIDE
Replacing the Riser Card
The riser card in the WD Sentinel server is “cold swappable.” This means that the WD
Sentinel server must be shut down prior to your fan replacement. To shut down your WD
Sentinel server, follow the steps outline in “Shutting Down the Server” on page 45.
What you’ll Need:
Phillips screwdriver
Replacement riser card
Replacing a Riser Card
1. Shut down the server.
2. Disconnect all external connections.
3. Follow the steps outlined in “Removing the Unit Cover” on page 98.
4. Locate the riser card bracket within the unit and remove three (3) screws holding the
bracket in place.
5. Carefully lift the riser card bracket up and away from the unit.
6. Remove three (3) screws holding the riser card bracket to the riser card.
7. Remove the riser card bracket and lay it aside.
8. With new riser card in hand, remove the connector cables from the old riser card and
connect them to the same location on the new riser card.
9. Insert and tighten three (3) screws, attaching the riser card bracket to the new riser
card.
10. Gently reattach the new riser card to the unit.
11. Insert and tighten three (3) screws attaching the riser card bracket to the unit.
12. Replace the unit cover.
13. Connect all external connections.
14. Restart the server.