11
English
H81M-VG4 R3.0
Chassis Speaker Header
(4-pin SPEAKER1)
(see p.1, No. 13)
Please connect the chassis
speaker to this header.
Chassis Fan Connector
(4-pin CHA_FAN1)
(see p.1, No. 12)
Please connect fan cables
to the fan connectors and
match the black wire to
the ground pin.
CPU Fan Connector
(4-pin CPU_FAN1)
(see p.1, No. 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.
ATX Power Connector
(24-pin ATXPWR1)
(see p.1, No. 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.
ATX 12V Power
Connector
(4-pin ATX12V1)
(see p.1, No. 16)
This motherboard
provides an 4-pin ATX
12V power connector.
Chassis Intrusion Header
(2-pin CI1)
(see p.1, No. 14)
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.
1
+5V
DUMMY
DUMMY
SPEAKER
GND
+12V
CHA_FAN_SPEED
FAN_SPEED_CONTROL
GND
+12V
CPU_FAN_SPEED
FAN_SPEED_CONTROL
12
1
24
13
1
Signal
GND
