IBM System x3850 X5 Installation And User Manual page 73

2. Turn off the server and peripheral devices, and disconnect the power cord and
all external cables.
3. Remove the server cover (see "Removing the top cover" on page 44).
4. If any hard disk drives or fillers are installed in the server, pull out the bottom
four just enough to disconnect them from the backplane, and completely
remove any fillers from the top four bays.
5. Remove the backplane carrier and the SAS power cable handle:
a. Lift the SAS power and configuration cable handle up to disconnect the
cables from the microprocessor board.
b. Slide the backplane carrier release tab forward and slightly lift the carrier.
c. Remove the backplane carrier and SAS power cable handle from the server
together.
6. Disconnect the power and configuration cables from the backplane. Do not
disconnect the SAS signal cable from the backplane.
SAS power and
configuration cables
Backplane
carrier
Alignment
pins
Release tab
Chapter 2. Installing optional devices
59