3. Connect the hard disk drive backplane power cables to the connector in front of
the safety cover.
4. Install the screw into the safety cover.
5. Install the SAS riser-card assembly (see “Installing the SAS riser-card and
controller assembly” on page 198).
6. Install the server cover (see “Installing the cover” on page 178).
7. Slide the server into the rack.
8. Reconnect the external cables; then, reconnect the power cords and turn on the
peripheral devices and the server.
252 IBM System x3650 M3 Types 4255, 7945, and 7949: Problem Determination and Service Guide