E3C246D4I-2T
20
21
English
1
In
Dummy
IntA_PB_D-
GN
D
IntA_
GN
D
IntA_PB_SSTX-
IntA_
IntA_PB_SSRX-
V
bus
V
bus
V
bus
IntA_P
A_SSRX-
IntA_P
GN
D
IntA_P
A_SSTX-
IntA_P
GN
D
IntA_P
A
_D-
IntA_P
A
_D+
ATX 12V Power
Connector
(8-pin ATX12V2)
(see p.6, No. 4)
4
8
1
5
12V
GND
The motherboard provides one
8-pin 12V power connector
which is a required input for
either DC-IN 12V or ATX
+12V power source.
When using ATX power, it is
necessary to use a 24pin-to-
4pin power cable to connect
between the 24pin power
connector of PSU and the
ATX4PIN1 connector on the
motherboard for power supply
and signal communication.
USB 3.0 Header
(19-pin USB3_3_4)
(see p.6, No. 14)
Besides two default USB 3.0
ports on the I/O panel, there
is one USB 3.0 header on this
motherboard. This USB 3.0
header can support two USB
3.0 ports.
System Fan Connectors
(4-pin FAN1)
(see p.6, No. 23)
(4-pin FAN2)
(see p.6, No. 8)
(4-pin FAN3)
(see p.6, No. 9)
FAN_SPEED
FAN_SPEED_CONTROL
FAN_VOLTAGE_CONTROL
GND
4 3 2 1
FAN_SPEED
FAN_SPEED_CONTROL
FAN_VOLTAGE_CONTROL
GND
1
2
3
4
FAN_SPEED
FAN_SPEED_CONTROL
FAN_VOLTAGE
GND
4
3
2
1
Please connect fan cables to the
fan connector and match the
black wire to the ground pin.
All fans support Fan Control.
