ASROCK B550D4U User Manual page 35

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System Fan Connectors
(6-pin FAN1)
(see p.7, No. 6)
(6-pin FAN2)
(see p.7, No. 7)
(6-pin FAN3)
(see p.7, No. 5)
(6-pin FAN4)
(see p.7, No. 8)
(4-pin FAN5)
(see p.7, No. 19)
(4-pin FAN6)
(see p.7, No. 24)
ATX Power Connector
(24-pin ATXPWR1)
(see p.7, No. 4)
ATX 12V Power
Connectors
(8-pin ATX12V1)
(see p.7, No. 1)
TPM Header
(17-pin TPM1)
(see p.7, No. 23)
28
NC
SENSOR
FAN_SPEED_CONTROL
FAN_SPEED
FAN_VOLTAGE
GND
1
2
3
4
5
FAN_SPEED_CONTROL
FAN_SPEED
FAN_VOLTAGE
GND
1
2
3
4
1
13
4
8
1
5
1
Please connect fan cables to the
fan connectors and match the
black wire to the ground pin.
All fans support Fan Control.
6
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 ATX 12V power
connector.
This connector supports
Trusted Platform Module
(TPM) system, which can
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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