EP2C621D16GM / EP2C621D16GM-2T
24
25
English
Front Fan Connectors
(6-pin FRNT_FAN1)
(see p.6, No. 17)
(6-pin FRNT_FAN2)
(see p.6, No. 16)
FAN_SPEED
FAN_SPEED_CONTROL
FAN_VOLTAGE
GND
SENSOR
NC
6
5
4
3
2
1
Please connect fan cables to the
fan connectors and match the
black wire to the ground pin.
All fans support Fan Control.
CPU Fan Connectors
(6-pin CPU1_FAN1)
(see p.6, No. 23)
(6-pin CPU2_FAN1)
(see p.6, No. 11)
FAN_SPEED
FAN_SPEED_CONTROL
FAN_VOLTAGE
GND
SENSOR
NC
6
5
4
3
2
1
FAN_SPEED
FAN_SPEED_CONTROL
FAN_VOLTAGE
GND
6 5 4 3 2 1
SENSOR
NC
This motherboard provides
two 6-Pin CPU fan (Quiet
Fan) connectors. If you plan
to connect a 3-Pin CPU fan,
please connect it to Pin 1-3.
*For more details, please refer to the
Cooler QVL list on the ASRock Rack
website.
ATX Power Connector
(24-pin ATXPWR1)
(see p.6, No. 1)
3V
3V
GN
D
GN
D
5V
5V
GN
D
PWROK_PS
5VSB
12
V
12
V
3V
12
1
13
24
3V
-12V
GN
D
PSON#
GN
D
GN
D
GN
D
5V
5V
5V
GN
D
N/
A
This motherboard provides a
24-pin ATX power connector.
To use a 20-pin ATX power
supply, please plug it along Pin
1 and Pin 13.
ATX 12V Power
Connectors
(8-pin ATX12V1)
(see p.6, No. 28)
(8-pin ATX12V2)
(see p.6, No. 4)
4
8
1
5
+12V2
GND
4
8
1
5
+12V2
GND
This motherboard provides
two 8-pin ATX 12V power
connectors.
USB 2.0 Header
(19-pin USB2_1_2)
(see p.6, No. 41)
DUMMY
GND
GND
+B
-B
USB_PWR
+A
-A
USB_PWR
1
There is one USB 2.0 header on
this motherboard. This USB 2.0
header can support two USB
2.0 ports.