Installation guide
C2X50D4I Series
21
English
CPU Fan Connectors
(4-pin CPU_FAN1)
(No. 5)
(4-pin CPU_FAN2)
(No. 6)
FAN_SPEED
FAN_SPEED_CONTROL
+12V
GND
4
3
2
1
FAN_SPEED
FAN_SPEED_CONTROL
+12V
GND
4
3
2
1
Please connect the CPU fan
cable to the connector and
match the black wire to the
ground pin.
ough this motherboard
provides a 4-Pin CPU fan
(Quiet Fan) connector, 3-Pin
CPU fans can still work
successfully even without the
fan speed control function.
If you plan to connect a
3-Pin CPU fan to the CPU
fan connector on this
motherboard, 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)
No. 1)
Please connect an ATX power
supply to this connector.
ough this motherboard
provides a 24-pin ATX power
connector, it can still work if
you adopt a traditional 20-
pin ATX power supply. To use
a 20-pin ATX power supply,
please plug your power supply
along Pin 1 and Pin 13.
Intelligent Platform
Management Bus header
(4-pin IPMB_1)
(No. 24)
IPMB_SDA
IPMB_SCL
GND
No connect
is 4-pin connector is used
to provide a cabled baseboard
or front panel connection for
value added features and 3rd-
party add-in cards, such as
Emergency Management cards,
that provide management
features using the IPMB.
1 12
13 24