RX900 S1 Maintenance Manual 133
Expansion cards and BBU
8.5.2 Starting the task
Ê Perform the following procedures:
1. "Opening the rack door" on page 40
2. "Sliding the server out of the rack" on page 42
3. "Removing the rear cover" on page 46
8.5.3 Deactivating the expansion card
Ê Deactivate the expansion card using either the related PCI hot-plug software
or by pressing the light-pipe switch, see A in Figure 70.
Ê Wait until the light-pipe switch no longer lights up.
The slot is now zero potential.
Ê If applicable, disconnect the cables on the expansion card.