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MMGA Series
CyberResearch
®
Motherboards
54
©Copyright 2009
CyberResearch, Inc.
4.2.6 Fan Connector, System (+12V, 3-pin)
CN Label:
SYS_FAN1
CN Type:
3-pin header (1x3)
CN Location:
See
Figure 1-27
CN Pinouts:
See
Table 1-13
The system cooling fan connector provides a 12V, 500mA current to a system 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.
Figure 1-27: +12V Fan Connector Location
PIN NO.
DESCRIPTION
1 GND
2 +12V
3 Rotation
Signal
Table 1-13: +12V Fan Connector Pinouts