User manual

H81 Pro BTC
23
English
Chassis Speaker Header
(4-pin SPEAKER1)
(see p.9, No. 10)
Please connect the chassis
speaker to this header.
SPDIF Out Connector
(2-pin SPDIF_OUT1)
(see p.9, No. 19)
Please connect the
SPDIF_OUT connector of
a HDMI VGA card to this
header with a cable.
Chassis and Power Fan
Connectors
(4-pin CHA_FAN1)
(see p.9, No. 8)
(3-pin CHA_FAN2)
(see p.9, No. 18)
(3-pin PWR_FAN1)
(see p.9, No. 3)
Please connect fan cables
to the fan connectors and
match the black wire to
the ground pin.
CPU Fan Connectors
(4-pin CPU_FAN1)
(see p.9, No. 2)
(3-pin CPU_FAN2)
(see p.9, 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.9, No. 7)
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.
1
+5V
DUMMY
DUMMY
SPEAKER
GN D
+ 12V
CPU_FAN_SPEED
FAN_SPEED_CONTR OL
12
1
24
13
GND
+12V
FAN_SPEED
GND
+12V
FAN_SPEED