ASRock B85M-ITX manual Chassis Fan Connector Pin CHAFAN1 See p.1, No, Pin CPUFAN1 See p.1, No

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”.

Chassis Fan Connector

(4-pin CHA_FAN1)

(see p.1, No. 14)

GND +12V

CHA_FAN_SPEED

FAN_SPEED_CONTROL

Please connect fan cable to the fan connector and match the black wire to the ground pin.

CPU Fan Connectors	1	GN D
(4-pin CPU_FAN1)	2	+ 12V
(see p.1, No. 6)	3	CPU_ FAN_SPEED
	4	FAN_SPEED_CONTROL

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	12	24
(24-pin ATXPWR1)
(see p.1, No. 5)
	1	13

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.

English

24