11
(5) Serial Port Header (9-Pin female): COM1
Serial COM Port 9-pin Block
DTR
Pin1
Pin6
DCD
DSR
RXD
RTS
TXD
GND
GTS
RI
Pin5
(6) FAN Headers: CPUFAN (4 pin)
Pin 1: Ground
Pin 2:12V (fan power)
Pin 3: Detect (fan clock)
Pin 4: PWM (fan controller)
CPUFAN Header
1
4