Owner's Manual

18
CPU Fan Connectors Please connect the CPU fan
(4-pin CPU_FAN1)
cable to the connector and
(see p.8 No. 9)
match the black wire to the
ground pin.
Though this motherboard provides 4-Pin CPU fan (Quiet Fan) support, the 3-Pin
CPU fan still can work successfully even without the fan speed control function.
If you plan to connect the 3-Pin CPU fan to the CPU fan connector on this
motherboard, please connect it to Pin 1-3.
(3-pin CPU_FAN2)
(see p.8 No. 8)
Pin 1-3 Connected
3-Pin Fan Installation
GND
+ 12V
CPU_FAN_SPEED
FAN_SPEED_CONTROL
1 2 3 4
GND
+ 12V
CPU_FAN_SPEED
ATX Power Input Connector Please connect an ATX power
(20-pin ATXPWR1)
supply to this connector.
(see p.8 No. 10)
COM Port Headers COM port headers support
(9-pin COM5: see p.8 No. 11)
serial port modules.
(9-pin COM6: see p.8 No. 12)
(9-pin COM4: see p.8 No. 13)
(9-pin COM3: see p.8 No. 14)
CCTS#1
RRI#1
DDSR#1
DDTR#1
RRXD1
GND
TTXD1
DDCD#1
1
RRTS#1
Digital Input / Output Pin Header
(9-pin JGPIO1)
(see p.8, No. 16)
PIN Signal Name PIN Signal Name
1 Digital Output 0 2 Digital Input 0
3 Digital Output 1 4 Digital Input 1
5 Digital Output 2 6 Digital Input 2
7 Digital Output 3 8 Digital Input 3
9 JGPIO_PWR1 10 GND
PIN RS232 RS422 RS485
1
DCD, Data
carrier detect
TX- RTX-
2
RXD, Receive
data
RX+ N/A
3
TXD, Transmit
data
TX+ RTX+
4
DTR, Data
terminal ready
RX- N/A
5 GND GND GND