268 Upgrade and Maintenance Manual RX2540 M2
Expansion cards and backup units
8.5.1.5 Removing the rear air grid riser module 1
Figure 168: Removing the rear air grid
Ê Remove three screws (see circles).
Ê Remove the rear air grid.
V CAUTION!
Keep the rear air grid for future use.
Always replace rear air grids into unused installation locations to
comply with applicable EMC regulations and satisfy cooling
requirements.
8.5.1.6 Concluding steps
Ê Install the riser module 1 as described in section "Installing the riser module
1 (HL)" on page 85
Ê "Reassembling" on page 73
Ê Connect all external cables to the expansion card(s).
Ê "Connecting the power cord" on page 79
Ê "Switching on the server" on page 82
Ê If applicable, "Updating RAID controller firmware" on page 106.
Ê If applicable, "Enabling Option ROM scan" on page 107.
Ê "Enabling SVOM boot watchdog functionality" on page 114
Ê "Resuming BitLocker functionality" on page 120