CPU Fan Connectors
(4-pin CPU_FAN1)
(see p.1, No. 24)
(3-pin CPU_FAN2)
(see p.1, No. 26)
ATX Power Connector
(24-pin ATXPWR1)
(see p.1, No. 5)
ATX 12V Power
Connector
(8-pin ATX12V1)
(see p.1, No. 2)
PCIe Power Connector
(4-pin PCIE_PWR1)
(see p.1, No. 25)
Serial Port Header
(9-pin COM1)
(see p.1, No. 22)
22
GND
1
2
+12V
FAN_SPEED
3
FAN_SPEED_CONTROL
4
GND
FAN_VOLTAGE
FAN_SPEED
12
24
1
13
8
5
4
1
RRXD1
DDTR#1
DDSR#1
CCTS#1
1
RRI#1
RRTS#1
GND
TTXD1
DDCD#1
his motherboard pro-
vides a 4-Pin CPU fan
(Quiet Fan) connector.
If you plan to connect a
3-Pin CPU fan, please
connect it to Pin 1-3.
his motherboard pro-
vides a 24-pin ATX power
connector. To use a 20-pin
ATX power supply, please
plug it along Pin 1 and Pin
13.
his motherboard pro-
vides an 8-pin ATX 12V
power connector. To use a
4-pin ATX power supply,
please plug it along Pin 1
and Pin 5.
Please connect a 4 pin molex
power cable to this connector
when more than three
graphics cards are installed.
his COM1 header
supports a serial port
module.