ASROCK M3A790GMH/128M User Manual download pdf (Page 28)

2828

+ 5 V

D UMMY

SPEAKER

GND

PWRBTN#

PLED-

PLED +

D UMMY

RESET#

GND

H D LED+

H D LED-

System Panel Header This header accommodates

(9-pin PANEL1) several system front panel

(see p.13 No. 24) functions.

Chassis Speaker Header Please connect the chassis

(4-pin SPEAKER 1) speaker to this header.

(see p.13 No. 21)

1. High Definition Audio supports Jack Sensing, but the panel wire on

the chassis must support HDA to function correctly. Please follow the

instruction in our manual and chassis manual to install your system.

2. If you use AC’97 audio panel, please install it to the front panel audio

header as 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 HD audio panel only. You don’t

need to connect them for AC’97 audio panel.

E. Enter BIOS Setup Utility. Enter Advanced Settings, and then select

Chipset Configuration. Set the Front Panel Control option from

[Auto] to [Enabled].

F. Enter Windows system. Click the icon on the lower right hand

taskbar to enter Realtek HD Audio Manager.

For Windows

XP / XP 64-bit OS:

Click “Audio I/O”, select “Connector Settings” , choose

“Disable front panel jack detection”, and save the change by

clicking “OK”.

For Windows

Vista

/ Vista

64-bit OS:

Click the right-top “Folder” icon , choose “Disable front

panel jack detection”, and save the change by clicking “OK”.

G. To activate the front mic.

For Windows

XP / XP 64-bit OS:

Please select “Front Mic” as default record device.

If you want to hear your voice through front mic, please deselect "Mute"

icon in “Front Mic” of “Playback” portion.

For Windows

Vista

/ Vista

64-bit OS:

Go to the "Front Mic" Tab in the Realtek Control panel.

Click "Set Default Device" to make the Front Mic as the default record

device.

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