Jetway Computer NC91 - Manual (Page 15)

11
(7) FAN Speed Headers (3-pin): CPUFAN, SFAN1/SFAN2
These connectors support cooling fans of 350mA (4.2 Watts) or less, depending on the
fan manufacturer, the wire and plug may be different. The red wire should be positive,
while the black should be ground. Connect the fan’s plug to the board taking into
consideration the polarity of connector.
Fan Headers
Fan
clock
1 3
+12v
Fan
power GND