TX2550 M4 Upgrade and Maintenance Manual 319
Expansion cards and backup units
Ê Remove the slot cover clamp.
Ê Carefully remove the expansion card from its slot.
9.5.2.3 Installing the slot cover
V CAUTION!
Always replace slot covers into unused PCI slot openings to comply with
applicable EMC regulations and satisfy cooling requirements.
Figure 224: Installing the slot cover
Ê Insert a PCI slot cover into the unused PCI slot opening (1).
Ê Clip on the PCI slot cover clamp.
Ê Fold down the locking handle on the PCI slot cover clamp until it locks in
place (2).
9.5.2.4 Concluding steps
Ê If applicable, "Installing the PCI air duct" on page 87
Ê "Reassembling" on page 68
Ê "Connecting the power cord" on page 81
Ê "Switching on the server" on page 82
Ê "Resuming BitLocker functionality" on page 127