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Installing System Components 71
5
Reconnect the fan assembly power cable to the system board.
6
Install the cooling shroud. See "Installing the Cooling Shroud" on page 57.
7
Close the system. See "Closing the System" on page 55.
Optional PCI Fan Assembly
The optional PCI fan module provides cooling for the expansion cards.
NOTICE: Your system requires the PCI fan assembly if your system has a SAS
controller that can be connected to an external storage system. Removing the fan
assembly or disabling the fan could result in your system overheating and shutting
down unexpectedly.
Removing the PCI Fan Assembly
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
Open the system. See "Opening the System" on page 54.
2
Disconnect the following cables from the system board and SAS controller
(if present):
• fan power cable
• intrusion switch cable
• hard drive interface cables
• control panel interface cable
• optical drive interface cable (if present)
3
Pull the interface cables through the panel cutout and fold them out of the
way. See Figure 3-12.
4
Using a #2 Phillips screwdriver, remove the two screws securing the PCI
fan assembly to the chassis. See Figure 3-12.
5
Remove the fan assembly from the system.
book.book Page 71 Thursday, August 30, 2007 3:30 PM