ASROCK B550D4M User Manual page 34

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System Fan Connectors
(6-pin FAN1)
(see p.7, No. 2)
(6-pin FAN2)
(see p.7, No. 9)
(6-pin FAN3)
(see p.7, No. 12)
(6-pin FAN4)
(see p.7, No. 16)
(6-pin FAN5)
(see p.7, No. 13)
(6-pin FAN6)
(see p.7, No. 15)
ATX Power Connector
(24-pin ATXPWR1)
(see p.7, No. 6)
ATX 12V Power
Connectors
(8-pin ATX12V1)
(see p.7, No. 3)
(4-pin ATX12V2)
(see p.7, No. 14)
TPM Header
(17-pin TPM1)
(see p.7, No. 24)
28
6
5
4
3
2
1
GND
FAN_VOLTAGE
FAN_SPEED_SENSOR1
FAN_SPEED_CONTROL
FAN_SPEED_SENSOR2
NC
NC
FAN_SPEED_SENSOR2
FAN_SPEED_CONTROL
FAN_SPEED_SENSOR1
FAN_VOLTAGE
GND
1
13
GND
1
4
5
8
12V
12V
4
3
2
1
GND
Please connect fan cables to the
fan connectors and match the
black wire to the ground pin.
All fans support Fan Control.
6
5
4
3
2
1
This motherboard provides a
24-pin ATX power connector.
To use a 20-pin ATX power
12
supply, please plug it along Pin
24
1 and Pin 13.
This motherboard provides
one 8-pin and one 4-pin ATX
12V power connectors.
This connector supports
Trusted Platform Module
(TPM) system, which can
1
securely store keys, digital
certificates, passwords, and
data. A TPM system also helps
enhance network security,
protects digital identities, and
ensures platform integrity.

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