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3301690 CPU Card
The CPU_FAN1 CPU cooling fan connector provides a 12V, 500mA current to the cooling
fan. The connector has a "rotation" pin to get rotation signals from fans and notify the
system so the system BIOS can recognize the fan speed. Please note that only specified
fans can issue the rotation signals.
PIN DESCRIPTION
1 Ground
2 +12V
3 Rotation Signal
Table 3-7: Cooling Fan Connector Pinouts
Figure 3-8: Cooling Fan Connector Locations
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