Avalue ERX-Q77 - Manual (Page 43)

ERX-Q77 User’s Manual
ERX-Q77 User’s Manual 43
2.8.9 CPU and System fan connectors (CPU_FAN, SYS_FAN, CHA_FAN)
The fan connectors support cooling fans of 280mA (3.36 W max.) at 4800rpm or a total of
1A~2.22A (26.64W max.) at +12V. Connect the fan cables to the fan connectors on the
motherboard, making sure that the black wire of each cable matches the ground pin of the
connector.
CPU_FAN
4. FAN_PWM1_C
3. FANCPUDEC1
2. +V12
1. GND
SYS_FAN
4. FAN_PWM2_C
3. FANCPUDEC2
2. +V12
1. GND
CHA_FAN 4. FAN_PWM3_C
3. FANCPUDEC3
2. +V12
1. GND
Do not forget to connect the fan cables to the fan
connectors. Insufficient air flow inside the system may
damage the motherboard components.
These are not jumpers! DO NOT place jumper caps on the
fan connectors.