ASROCK E3C256D4I-2T User Manual page 30

Workstation
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ATX 12V Power
Connector
(8-pin ATX12V2)
(see p.6, No. 4)
USB 3.2 Gen1 Header
(19-pin USB3_3_4)
(see p.6, No. 14)
System Fan Connectors
(4-pin FAN1)
(see p.6, No. 22)
(4-pin FAN2)
(see p.6, No. 8)
(4-pin FAN3)
(see p.6, No. 9)
22
GND
1
4
5
8
12V
1
4
3
2
1
GND
FAN_VOLTAGE
FAN_SPEED
FAN_SPEED_CONTROL
FAN_SPEED_CONTROL
FAN_SPEED
FAN_VOLTAGE
GND
GND
1
2
FAN_VOLTAGE
FAN_SPEED
3
FAN_SPEED_CONTROL
4
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.
Besides two default USB 3.2
Gen1 ports on the I/O panel,
there is one USB 3.2 Gen1
header on this motherboard.
This USB 3.2 Gen1 header can
support two USB 3.2 Gen1
ports.
Please connect fan cables to the
fan connector and match the
black wire to the ground pin.
All fans support Fan Control.
4
3
2
1

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