IBM System x3650 M3 4255 Installation And User Manual page 100

13. Install hard disk drive backplane 1:
14. Make sure that the configuration cable is connected to all backplanes.
15. Remove the rear controller retention bracket located in the battery bay above
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System x3650 M3 Types 4255, 7945, and 7949: Installation and User's Guide
e. Rotate the backplane upright so that the bracket goes underneath the latch
and tabs on the chassis and is engaged into the slots on the backplane
bracket.
a. Connect the right-angle end of the longer SAS signal cable that comes with
the option kit to hard disk drive backplane 1 1 .
b. Reconnect the power cable 2 to backplane 1.
c. Reconnect the configuration cable 3 to backplane 1.
d. Angle the backplane and place the bottom edge into the slots for
backplane 1 on the chassis.
e. Rotate the backplane upright so that the bracket goes underneath the latch
and tabs on the chassis and is engaged into the slots on the backplane
bracket.
the power supplies by pulling up the release tab 1 and sliding the bracket
outward 2 .