Jetway Computer NC93 - Manual (Page 17)

(7) FAN Speed Headers (3-pin): CPUFAN, SYSFAN1, and SYSFAN2
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
clock
+12v
Fan
power GND
Fan Headers
Pin 1
(8) Serial Port Connector (9-pin female): COM2
COM2 is a 9-pin RS232 D-Subminiature serial port connector.
DCD
Pin1 Pin6
Serial COM Port 9-pin Block
DSR
RXD
TXD
DTR
GND
RTS
GTS
RI
12