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Chassis Fan Connector
(4-pin CHA_FAN1)
(see p.1, No. 16)
CPU Fan Connector
(4-pin CPU_FAN1)
(see p.1, No. 1)
ATX Power Connector
(24-pin ATXPWR1)
(see p.1, No. 6)
ATX 12V Power
Connector
(4-pin ATX12V1)
(see p.1, No. 2)
Chassis Intrusion Header
(2-pin CI1)
(see p.1, No. 5)
GND
1
2
+12V
FAN_SPEED
3
FAN_SPEED_CONTROL
4
1
GND
2
+12V
FAN_SPEED
3
FAN_SPEED_CONTROL
4
12
24
1
13
GND
Signal
1
H81M-ITX/WiFi
Please connect fan cable
to the fan connector and
match the black wire to
the ground pin.
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.
Please connect an ATX
12V power supply to this
connector.
This motherboard
supports CASE OPEN
detection feature that
detects if the chassis cove
has been removed. This
feature requires a chassis
with chassis intrusion
detection design.
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