Tyan Computer THUNDER N3600QX - Manual (Page 21)

2.7 - Finishing Installing the Heat sink
After you have finished installing the heat sink onto the processor and
socket, attach the end wire of the fan (which should already be attached to
the heat sink) to the motherboard. The following diagram illustrates how to
connect fans onto the motherboard.
Once you have finished installing all the fans you can connect your drives
(hard drives, CD-ROM drives, etc.) to your motherboard.
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