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Installing System Components 59
Power Supplies
* Full configuration denotes support for the maximum number of processors, hard drives, and
memory modules.
Removing a Power Supply
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.
CAUTION: The system requires one power supply to operate normally.
1
Turn off the system, including any attached peripherals, and disconnect
the system from the electrical outlet.
2
Disconnect the power cable from the power source and the power supply.
Table 3-1. PSU and System Board Support Matrix
PSU Two System Boards Three System Boards Four System Boards
1400 W Full configuration* Full configuration Up to two processors, twelve
hard drives, and nine
memory modules
1100 W Full configuration Up to two
processors, nine hard
drives, and nine
memory modules
Up to two processors, nine
hard drives, and nine
memory modules
750 W Up to two
processors, six hard
drives, and nine
memory modules
Up to two
processors, six hard
drives, and four
memory modules
N/A
470 W Up to two
processors, up to
two hard drives, and
six memory modules
N/A N/A
book.book Page 59 Thursday, March 4, 2010 4:38 PM