Hardware Configuration
RUBY-9712VG2A User’s Manual
2-10
1
2
3
4
2 1
J16: System FAN Connector
1 2 3
PIN No.
Signal Description
1 Ground
2 +12V
3
Fan Speed Detecting signal
J17: CPU FAN Connector
PIN No.
Signal Description
1 Ground
2 +12V
3
Sense (Fan Speed Detecting signal)
4 Control
(PWM)
J19: Case Open Detect Connector
PIN No.
Signal Description
1
Case Open; Short: case open
2 Ground