User`s manual

MMGA Series CyberResearch

Motherboards

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