EP2C621D12 WS
30
31
English
USB 3.0 Header
(19-pin USB3_5_6)
(see p.7, No. 36)
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+
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.
USB 2.0 Header
(19-pin USB2_1)
(see p.7, No. 39)
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.
Chassis Speaker Header
(4-pin SPEAKER1)
(see p.7, No. 42)
1
+5V
DUMMY
DUMMY
SPEAKER
Please connect the chassis
speaker to this header.
CPU Fan Connectors
(4-pin CPU1_FAN1)
(see p.7, No. 10)
(4-pin CPU2_FAN1)
(see p.7, No. 2)
FAN1 SENSOR
FAN_SPEED_CONTROL
12V(FAN_VOLTAGE)
GND
6 5 4 3 2 1
FAN2 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.