BIOSTAR

Biostar G41-M7 Realtek Audio Driver6.0.1.6299
Supported OS: Windows 2000/XP/2003 32/64bit / Windows Vista/7 32/64bit 
Link Download : http://download.biostar.com.tw/upload/Driver/Audio/Realtek/HD/2KXP/WDM_R257.exe
Link Download : http://download.biostar.com.tw/upload/Driver/Audio/Realtek/HD/VistaWin7/Vista_Win7_R257.exe

BIOSTAR TForce 6100 AM2 Realtek AC97 Audio DriverNew
Supported OS: Windows 9X / Windows ME / Windows NT / Windows 2K / Windows XP 
Link Download : http://www.biostar.com.tw/upload/Driver/Audio/Realtek/AC97/2KXP/Setup.exe

BIOSTAR PT890 775 On-Board Audio Driver6.0.1.6243
Supported OS: Probably All 
Link Download : http://www.biostar.com.tw/upload/Driver/Audio/Realtek/AC97/VISTA/6243_Vista_APO.exe

Biostar A785GE 6.x Realtek ALC662 Audio6.0.1.6299
Supported OS: Windows 2000/ XP x86/ XP x64/ Server 2003 x86/ Server 2003 x64 / Windows Vista x86/ Vista x64/ Win7 x86/ Win7 x64 
Link Download : http://download.biostar.com.tw/upload/Driver/Audio/Realtek/HD/2KXP/WDM_R257.exe
Link Download : http://download.biostar.com.tw/upload/Driver/Audio/Realtek/HD/VistaWin7/Vista_Win7_R257.exe

Sumber : http://downloadnew.org/drivers/sound-card/biostar/