24
25
English
Chassis Fan Connector
(4-pin CHA_FAN1)
(see p.1, No. 14)
Please connect fan cable
to the fan connector and
match the black wire to
the ground pin.
CPU Fan Connectors
(4-pin CPU_FAN1)
(see p.1, No. 6)
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. 5)
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.
1. High Definition Audio supports Jack Sensing, but the panel wire on the chassis must sup-
port HDA to function correctly. Please follow the instructions in our manual and chassis
manual to install your system.
2. If you use an AC’97 audio panel, please install it to the front panel audio header by the
steps below:
A. Connect Mic_IN (MIC) to MIC2_L.
B. Connect Audio_R (RIN) to OUT2_R and Audio_L (LIN) to OUT2_L.
C. Connect Ground (GND) to Ground (GND).
D. MIC_RET and OUT_RET are for the HD audio panel only. You don’t need to connect
them for the AC’97 audio panel.
E. To activate the front mic, go to the “FrontMic” Tab in the Realtek Control panel and
adjust “Recording Volume”.
GND
+12V
CHA_FAN_SPEED
FAN_SPEED_CONTROL
GN D
+ 12V
CPU_FAN_SPEED
FAN_SPEED_CONTROL
1
2
3
4
12
1
24
13
Summary of Contents for B85M-ITX
Page 2: ......
Page 17: ...B85M ITX 15 English 4 5 3...
Page 19: ...B85M ITX 17 English 2 2 Installing the CPU Fan and Heatsink 1 2 C P U _ F A N...
Page 21: ...B85M ITX 19 English 1 2 3...