Auto Page A780 user manual System Panel Header

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® VistaTM / VistaTM 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® VistaTM / VistaTM 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.

System Panel Header

(9-pin PANEL1)

(see p.13 No. 18)

1

PLED+

PLED-

PWRBTN#

GND

DUMMY RESET#

GND HDLED-

HDLED+

This header accommodates several system front panel functions.

Chassis Speaker Header

1

(4-pin SPEAKER 1)

(see p.13 No. 19)

SPEAKER DUMMY

DUMMY +5V

Please connect the chassis speaker to this header.

Chassis Fan Connector

GND

(3-pin CHA_FAN1)+12V

CHA_FAN_SPEED

(see p.13 No. 20)

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

CPU Fan Connector

(4-pin CPU_FAN1)	1	GND
	2	+12V
(see p.13 No. 4)	3	CPU_FAN_SPEED
	4	FAN_SPEED_CONTROL

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

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