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Chapter 3: Replacing Pre-installed Components 51
3.7 Replacing the Fan Control Board
To replace the fan control board, you need to remove all the
fans and the fan cradle first. Refer to the first three steps
given in “2.5 Installing the Floppy Disk Drive (Option)”. Then,
do the following:
1. Locate the system fan connectors on the motherboard.
See “Motherboard Layout” on page 14 for the fan header
locations.
2. Unplug the fan cable from the pin header on the
motherboard.
3. Disconnect all the connector cables from the fan control
board.