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Installing System Components 61
9
Run the SAS controllers tests and the hard-drive tests in the system diagnostics. See "Running the
System Diagnostics" on page 112.
If the hard drive fails the hard-drive tests or does not operate properly, see "Getting Help" on page 121.
Hot-Plug SATA Hard Drives Using the SAS Backplane
If you are using the optional SAS backplane, the SATA hard drives you install are hot-pluggable if the
backplane is attached directly to the SAS controller card on the system board (see Figure 3-13). For
instructions on installing the optional SAS backplane board, see "Removing and Installing the Optional SAS
Backplane Board" on page 61.
The SAS backplane supports up to four hot-plug hard drives connected to the optional SAS controller card.
The SAS controller card must be connected to channel A on the optional SAS controller card, or port 0 on
an optional RAID controller card. For instructions on installing the optional SAS backplane board, see
"Removing and Installing the Optional SAS Backplane Board" on page 61.
Removing and Installing the Optional SAS Backplane Board
The optional SAS backplane board supports hot-plug SAS or SATA drives (if an optional SAS controller card
is installed in the system).
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the
components inside the system. Before performing any procedure, 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, including any attached peripherals, and disconnect the system from the electrical
outlet.
2
Open the system. See "Opening the System" on page 43.
3
Remove all existing hard drives from the hard drive bay. See "Removing a Hard Drive from the Drive
Bay" on page 54.
4
Install the SAS backplane:
a
Lower the backplane into the system and align the backplane with the retention hooks on the
drive bay, then fit the backplane over the retention hooks.
b
Slide the backplane board toward the front fan about 12 mm (0.5 inch) until it clicks into place.