TYAN THUNDER 100 Manual page 22

Chapter 2
Board Installation
that the CPU is fully locked into the retention module. If you have an active
cooler, you will also need to connect the CPU's cooling fan cable to the cooling
Figure 15
Installing the CPU with Passive Cooling
The installation of the CPU with passive cooling differs only slightly from that
of the active. Your passive cooling package should contain one CPU retention
module, one heat sink retention bracket with mounting locks, two mounting
attachments, and one heat sink lock.Install the retention module as explained in
the previous section.
The heat sink mount (Figure 17) has two pins on the bottom and four pins on
the top. Notice that the bottom two pins are of different sizes. The size of the
fan power connector on the board.
Locate the cooling fan connector (e.g. FAN1) on the moth-
erboard. Plug the CPU's cooling fan cable into the cooling
fan connector on the board. There will be a plastic clip as-
sembly similar to that of the ATX power connector that will
force you to connect the fan cable correctly (see Figure 16
below).
Figure 16
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