17
COM3, 4, 5, 6 Headers (RS232)
(9-pin COM3/COM4/COM5/COM6:
see p.8, No. 9)
Chassis Fan Connector
Please connect the fan cable
(3-pin CHA_FAN1)
to the fan connector and
(see p.8, No. 6)
match the black wire to the
ground pin.
CPU Fan Connector
Please connect the CPU fan
(4-pin CPU_FAN1)
cable to the connector and
(see p.8 No. 5)
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.
Pin 1-3 Connected
3-Pin Fan Installation
GND
+12V
CPU_FAN_SPEED
FAN_SPEED_CONTROL
GND
+5V
+12V
GND
1
UPS Module Power Input Connector
(2-pin DC_UPS1)
(see p.8, No. 2)
SATA Power Output Connector
(4-pin SATA_PWR1)
(see p.8, No. 3)
Digital Input / Output Pin Header
(10-pin JGPIO1)
(see p.8, No. 11)
PIN Signal Name PIN Signal Name
10
GND
9 JGPIO_PWR1
8
SIO_GP23
7
SIO_GP27
6
SIO_GP22
5
SIO_GP26
4
SIO_GP21
3
SIO_GP25
2
SIO_GP20
1
SIO_GP24
C
C
T
S
#
R
R
I#
D
D
S
R
#
D
D
T
R
#
R
R
X
D
G
N
D
T
T
X
D
D
D
C
D
#
1
R
R
T
S
#
