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4. Connect the SAS power and signal cables to the backplane as shown in the
illustration. Each signal cable has a numbered label on it. Be sure to connect
the cable that is labeled "0" to port 0 on the backplane, cable "1" to port 1, and
so on.
5. Route the other end of the cables along the front of the fans to the left side of
the server and through the opening in the fan bracket assembly to the SAS
connectors on the system board. See "System-board optional-device
connectors" on page 8 for the locations of the SAS channel A and SAS
channel B connectors on the system board.
6. Connect the SAS CH A cable connector to the SAS CHA connector on the
system board. Connect the SAS CH B cable connector to the SAS CHB
connector on the system board. Note that you must cross the cables to
connect them to the correct system-board connectors.
7. Replace the fan bracket assembly (see "Installing the fan-bracket assembly" on
page 68).
8. Install the cover (see "Installing the cover" on page 46).
9. Slide the server into the rack and tighten the rack release thumbscrews.
10. Insert the hard disk drives into the bays.
11. Reconnect the external cables; then, reconnect the power cords and turn on
the peripheral devices and the server.
SAS CH A
connector
SAS CHB
Chapter 4. Removing and replacing server components
SAS CH B
connector
SAS CHA
79
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