ASROCK TRX50 WS User Manual page 46

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Chassis/Water Pump Fan Connectors
(4-pin CHA_FAN1/WP) (see p.7, No. 32)
(4-pin CHA_FAN2/WP) (see p.7, No. 3)
(4-pin CHA_FAN3/WP) (see p.7, No. 23)
This motherboard provides three 4-Pin water cooling chassis fan connectors. If
you plan to connect a 3-Pin chassis water cooler fan, please connect it to Pin 1-3.
42
CHA_FAN2/WP
4
3
2
1
FAN_SPEED_CONTROL
CHA_FAN_SPEED
FAN_VOLTAGE
GND
CHA_FAN3/WP
4
FAN_SPEED_CONTROL
3
CHA_FAN_SPEED
2
FAN_VOLTAGE
1
GND
CHA_FAN1/WP
GND
FAN_VOLTAGE
CHA_FAN_SPEED
FAN_SPEED_CONTROL
1
2
3
4

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