IBM System x3750 M4 Type 8722 Installation And Service Manual page 118

11. Connect the combination power/configuration cable end to the power and
12. Route the signal cables through the SAS cable guide and connect the signal
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System x3750 M4 Types 8722 and 8733: Installation and Service Guide
configuration connectors on the backplane assembly; then, connect the power
connector on the other end of the cable to the backplane power connector on
the system board. See the following cabling illustration.
Note: You can connect the cables to the backplane before you install the
backplane onto the cage or you can connect the cables after you install the
backplane, if that is easier for you.
cables to the backplane assembly and to the adapter or the system board.