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CPU Fan Connectors
(4-pin CPU_FAN1)
(see p.1, No. 3)
(3-pin CPU_FAN2)
(see p.1, No. 4)
ATX Power Connector
(24-pin ATXPWR1)
(see p.1, No. 7)
ATX 12V Power
Connector
(8-pin ATX12V1)
(see p.1, No. 2)
Infrared Module Header
(5-pin IR1)
(see p.1, No. 26)
Serial Port Header
(9-pin COM1)
(see p.1, No. 27)
FAN_SPEED_CONTROL
CPU_FAN_SPEED
+12V
GND
FAN_SPEED
+ 12V
GND
12
24
1
13
8
5
4
1
IRTX
+5VSB
DUMMY
1
GND
IRRX
RRXD1
DDTR#1
DDSR#1
CCTS#1
1
RRI#1
RRTS#1
GND
TTXD1
DDCD#1
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.
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.
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.
This header supports an optional
wireless transmitting and
receiving infrared module.
This COM1 header
supports a serial port
module.
Z87 Extreme4/TB4
27
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