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Installing System Components 135
Installing the SAS Backplane
1
Align the slots on the SAS backplane with the tabs on the front-chassis
assembly.
2
Slide down the SAS backplane until the blue release tabs snap into place.
3
Connect the SAS data cable(s) and power cable to the backplane. See
Figure 3-27.
4
Install the hard drives in their original locations. See "Installing a Hard-
Drive Carrier" on page 81.
5
If required, route the power/data cables along the chassis wall. See "Front-
Chassis Assembly" on page 90.
6
Replace the cooling shroud. See "Installing the Cooling Shroud" on
page 89.
7
Close the system. See "Closing the System" on page 77.
8
Reconnect the system to its electrical outlet and turn the system on,
including any attached peripherals.
9
If applicable, replace the front bezel. See "Installing the Front Bezel" on
page 75.
Power Distribution Board
Removing the Power Distribution Board
CAUTION: Many repairs may only be done by a certified service technician. You
should only perform troubleshooting and simple repairs as authorized in your
product documentation, or as directed by the online or telephone service and
support team. Damage due to servicing that is not authorized by Dell is not covered
by your warranty. Read and follow the safety instructions that came with the
product.
1
Turn off the system and attached peripherals, and disconnect the system
from the electrical outlet.
2
Remove the power supplies from the system. See "Removing a Power
Supply" on page 86.
3
Open the system. See "Opening the System" on page 76.
book.book Page 135 Wednesday, February 17, 2010 6:17 PM