Apple Xserve (PCI or AGP Card Replacement) - Manual (Page 6)

Xserve PCI or AGP Cards - 6
4. Disconnect the card from the riser. (Figure 7)
Figure 7
Installing the Replacement Card
1. Install the replacement card in the riser card slot.
2. Reconnect the riser card to the logic board.
3. Tighten the thumbscrew that secures the card fence to the back of the server.
Closing the Server
1. Carefully slide the bottom housing back into the rack.
2. Tighten the front thumbscrews to secure it.
Warning: Never turn on the server unless all of its internal and external parts
are in place and it is closed. Operating the server when it is open or missing
parts can damage it or cause injury.