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Installing System Components 89
Installing the SAS Backplane
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the
components inside the system. See your Product Information Guide for complete information about safety
precautions, working inside the computer, and protecting against electrostatic discharge.
1
Install the SAS backplane:
a
Slowly lower the backplane into the system, being careful to avoid damaging components on the
face of the board.
b
Align the installation alignment slot on the bottom of the backplane with the alignment pin on
the bottom of the chassis. See Figure 3-26.
c
Slide the retention slots on the backplane over the retention hooks on the chassis.
d
Slide the backplane downward until the blue retention pin snaps into place.
2
Connect the SAS, interface, and power cables to the back of the SAS backplane.
3
Connect the control-panel cable to the front of the SAS backplane.
4
Install the SAS hard drives in their original locations. See "Hard Drives" on page 72.
5
Install the optical drive/diskette drive carrier.
Slide the drive carrier into its drive bay and press in the release latch. See
Figure 3-14
.
6
Install the cooling shrouds. See "Replacing the Cooling Shrouds" on page 50.
7
Close the system. See "Closing the System" on page 47.
8
Reconnect the system to its electrical outlet and turn the system on, including any attached
peripherals.
System Board (Service-Only Procedure)
Removing the System Board
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the
components inside the system. See your Product Information Guide for complete information about safety
precautions, working inside the computer, and protecting against electrostatic discharge.
1
Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
2
Open the system. See "Opening the System" on page 46.
NOTICE: To prevent damage to the drives and backplane, you must remove the SAS drives and diskette/optical
drive carrier from the system before removing the backplane.
NOTICE: Note the number of each hard drive and temporarily label them before removal so that you can replace
them in the same locations.
3
Remove the cooling shrouds. See "Removing the Cooling Shrouds" on page 49.
4
Remove the processor heat sinks. See "Processors" on page 62.