58 Installing System Components
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Installing the Fan Assembly
1
Align the holes in the fan assembly with the three fan assembly securing posts.
2
Lower the fan assembly until the release levers snap onto the securing posts.
3
Re-engage the three forward-facing snaps.
4
Install the power distribution board. See "Installing the Power Distribution Board."
5
Reconnect data and power connector cable to the hard drives.
6
Reconnect the fan assembly power cable to the connector on the system board. See
Figure 6-4.
7
Install the cooling shroud. See "Installing the Cooling Shroud."
8
Close the system. See "Closing the System" in "Troubleshooting Your System."
Power Distribution Board
The system supports a power distribution board, which distributes power from the power supply to
the hard drives.
Removing the Power Distribution Board
CAUTION: See your System 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" in Troubleshooting Your System."
2
Disconnect the hard drive connectors and power supply connectors from the power
distribution board. See Figure 6-5.
3
Using a #2 Phillips screwdriver, remove the four screws that secure the power distribution
board.
4
Lift the power distribution board out of the system.
Installing the Power Distribution Board
1
Align the four holes in the power distribution board with four mounting posts near the
cooling fan.
2
Using a #2 Phillips screwdriver, install the four screws that secure the power distribution
board.
3
Reconnect the connectors from the hard drives and the power supply to the power
distribution board.
4
Close the system. See "Closing the System" in "Troubleshooting Your System."
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