IBM System x3650 M3 4255 Installation And User Manual page 81

a. From backplane, disconnect the following cables in the order listed:
v Power cable 1
v SAS signal cable 2
v Configuration cable 3
b. Lift the backplane out of the server by pulling it toward the rear of the
server and then lifting it up.
12. Install the new backplane:
a. Move the SAS signal cable from the old hard disk drive backplane to the
new backplane 1 . The new backplane comes with the option kit.
Chapter 2. Installing optional devices
65