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Hardware Configuration
MB991AF
User’s Manual
29
2
2.5.11 CPU Fan Power Connector (CPU_FAN1)
(PWM only)
1
Pin
Assigment
Pin
Assigment
1
Ground
3
Rotation detection
2
+12V
4
Control
2.5.12 System Fan Power Connector (SYS_FAN1,
SYS_FAN2)
SYS_FAN2
SYS_FAN1
(PWM / DC mode)
1
Pin
Assigment
Pin
Assigment
1
Ground
3
Rotation detection
2
+12V
4
Control