ASRock J4105M [21/53] English

English

Chassis Fan Connector

(3-pin CHA_FAN1)

(see p.5, No. 9)

Please connect fan cable

to the fan connector and

match the black wire to

the ground pin.

CPU Fan Connector

(3-pin CPU_FAN1)

(see p.5, No. 2)

Please connect the CPU

fan cable to the connector

and match the black wire

to the ground pin.

ATX Power Connector

(24-pin ATXPWR1)

(see p.5, No. 4)

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.

Serial Port Headers

(9-pin COM1)

(see p.5, No. 15)

(9-pin COM2)

(see p.5, No. 16)

is header supports a

serial port module.

1. High Denition Audio supports Jack Sensing, but the panel wire on the chassis must

support 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”.

CPU_FAN_SPEED