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English – ASRock H87 Pro4 User Manual

Page 28

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26

English

(3-pin PWR_FAN1)
(see p.1, No. 1)

CPU Fan Connectors
(4-pin CPU_FAN1)
(see p.1, No. 25)

(3-pin CPU_FAN2)
(see p.1, No. 26)

This 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.1, No. 5)

This 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.1, No. 2)

This 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.1, No. 18)

This header supports an optional
wireless transmitting and
receiving infrared module.

Serial Port Header
(9-pin COM1)
(see p.1, No. 21)

This COM1 header
supports a serial port
module.

12

1

24

13

GND

IRRX

DUMMY

+5VSB

IRTX

1

CCTS#1

RRTS#1

DDSR#1

DDTR#1

RRXD1

GND

TTXD1

DDCD#1

1

RRI#1

4 1

8 5

GND

+12V

FAN_SPEED

GND

+12V

CPU_FAN_SPEED
FAN_SPEED_CONTROL