ASRock IMB-140 Series Chassis Fan Connector Please connect the fan cable, To the fan connector

E. To activate the front mic.

For Windows® XP / XP 64-bit OS:

Select “Mixer”. Select “Recorder”. Then click “FrontMic”.

For Windows® 7 / 7 64-bit / VistaTM / VistaTM 64-bit OS:

Go to the “FrontMic” Tab in the Realtek Control panel. Adjust “Recording Volume”.

Chassis Fan Connector	Please connect the fan cable
(3-pin CHA_FAN1)	to the fan connector and
(see p.1 No. 6)	match the black wire to the
	ground pin.
CPU Fan Connector	Please connect the CPU fan
(4-pin CPU_FAN1)	cable to the connector and
(see p.1 No. 4)	match the black wire to the
	ground pin.

Though this motherboard provides 4-Pin CPU fan (Quiet Fan) support, the 3-Pin CPU fan still can work successfully even without the fan speed control function. If you plan to connect the 3-Pin CPU fan to the CPU fan connector on this motherboard, please connect it to Pin 1-3.

Pin 1-3 Connected

3-Pin Fan Installation

DC 12V Power Connector

Please connect a DC 12V

(4-pin DC12V1)

12V12V

power supply to this connector.

(see p.1 No. 3)

GNDGND

COM port 4,5,6

(10-pin COM4,5,6)

(see p.1 No. 19)

6