thanks to amador.

If you have problem with ur sound card (who have Intel D945GNT, ECS 780GM-A,etc. problem) I recommend you buy USB Sound Card look like at this attachment:

mine: (Made in unkown)
Click to view attachment
Click to view attachment

amador's:
Click to view attachment

Amador said
QUOTE (Amador)
GUY'S I DON'T HAVE A PROBLEM NOW WITH THE AUDIO..I HAD JUST ARRIVE AND CONNECT A USB AUDIO DEVICE MADE IN CHINA..I SELECT THE AUDIO INPUT AND ITS PRESENT...I USE IT AS MY DEFAULT AUDIO DEVICE..IT IS CAPABLE OF USING 3D AND HAS A 5.1 VIRTUAL SOUND AC-3 COMPATIBLE


So i tried mine is work with usb sound card. (sound clear and it working out sound)

In Sound (system preference):
Click to view attachment
Click to view attachment

I hope you can get luck and we share each other happy.gif
Do the best! Enjoy it!