DELL

Dell OptiPlex 780 Analog Devices ADI 198x Audio DriverNew
Supported OS: Windows XP / Windows Vista, Windows 7 
Link Download : ftp://ftp.us.dell.com/audio/DRVR_WIN_R282894.EXE
Link Download : ftp://ftp.us.dell.com/audio/R232668.exe

Dell Optiplex GX280 Analog Devices ADI 198x Integrated Audio5.12.01.7000,A
Supported OS: Windows 2000, Windows XP 
Link Download :  http://ftp.us.dell.com/audio/R105155.exe

Dell Optiplex 360 Analog Devices ADI 198x Integrated HD Audio Driver6.10.1.5853, A0
Supported OS: Windows Vista / Windows XP 
Link Download : http://ftp.us.dell.com/audio/DRVR_WIN_R216290.EXE
Link Download :  http://ftp.us.dell.com/audio/R228747.exe

Dell OptiPlex GX520 Analog Devices ADI 198x Integrated Audio5.12.01.7010, A
Supported OS: Windows 2000, Windows XP / Windows Vista 32-bit / Windows Vista 64-bit 
Link Download : http://ftp.us.dell.com/audio/R97809.EXE
Link Download : http://ftp.us.dell.com/audio/R145551.EXE
Link Download : http://ftp.us.dell.com/audio/R145149.EXE
Sumber : http://downloadnew.org/drivers/sound-card/dell/
Untuk lebih lengkapnya anda dapat mengunjungi ke Link Ini, Klik Disini