ASRock P81 Pro3 User Manual - Page 27

ATX Power Connector, Quiet Fan connector.

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P81 Pro3 CPU Fan Connectors (4-pin CPU_FAN1) (see p.8, No. 3) (3-pin CPU_FAN2) (see p.8, No. 1) FAN_SPEED_CONTROL CPU_FAN_SPEED +12V GND GND +12V FAN_SPEED This motherboard provides a 4-Pin CPU fan (Quiet Fan) connector. If you plan to connect a 3-Pin CPU fan, please connect it to Pin 1-3. ATX Power Connector (24-pin ATXPWR1) (see p.8, No. 6) ATX 12V Power Connector (8-pin ATX12V1) (see p.8, No. 4) Infrared Module Header (5-pin IR1) (see p.8, No. 20) TPM Header (17-pin TPMS1) (see p.8, No. 19) 12 24 1 13 8 5 4 1 IRTX +5VSB DUMMY 1 GND IRRX 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. This motherboard provides an 8-pin ATX 12V power connector. To use a 4-pin ATX power supply, please plug it along Pin 1 and Pin 5. This header supports an optional wireless transmitting and receiving infrared module. 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. 23 English

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P81 Pro3
23
English
GND
+12V
FAN_SPEED
GND
+12V
CPU_FAN_SPEED
FAN_SPEED_CONTROL
CPU Fan Connectors
(4-pin CPU_FAN1)
(see p.8, No. 3)
(3-pin CPU_FAN2)
(see p.8, No. 1)
°is motherboard pro-
vides a 4-Pin CPU fan
(Quiet Fan) connector.
If you plan to connect a
3-Pin CPU fan, please
connect it to Pin 1-3.
ATX Power Connector
(24-pin ATXPWR1)
(see p.8, No. 6)
°is motherboard pro-
vides 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
Connector
(8-pin ATX12V1)
(see p.8, No. 4)
°is motherboard pro-
vides an 8-pin ATX 12V
power connector. To use a
4-pin ATX power supply,
please plug it along Pin 1
and Pin 5.
Infrared Module Header
(5-pin IR1)
(see p.8, No. 20)
°is header supports an optional
wireless transmitting and
receiving infrared module.
TPM Header
(17-pin TPMS1)
(see p.8, No. 19)
°is 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.
12
1
24
13
GND
IRRX
DUMMY
+5VSB
IRTX
1
4
1
8
5