ASROCK H81M-ITX - Page 29

H81M-ITX/WiFi
25
English
Chassis Fan Connector
(4-pin CHA_FAN1)
(see p.6, No. 16)
Please connect fan cable
to the fan connector and
match the black wire to
the ground pin.
CPU Fan Connector
(4-pin CPU_FAN1)
(see p.6, 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.6, 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
(4-pin ATX12V1)
(see p.6, No. 2)
Please connect an ATX
12V power supply to this
connector.
Chassis Intrusion Header
(2-pin CI1)
(see p.6, No. 5)
is motherboard
supports CASE OPEN
detection feature that
detects if the chassis cove
has been removed. is
feature requires a chassis
with chassis intrusion
detection design.
12
1
24
13
FAN_SPEED
FAN_SPEED_CONTROL
+12V
GND
4
3
2
1
FAN_SPEED
FAN_SPEED_CONTROL
+12V
GND
4
3
2
1
1
Signal
GND