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
