ASUS

ASUS P5KPL-AM VIA Audio Driver6.0.1.7600
Supported OS: Windows XP 32/64bit, Windows Vista 32/64bit, Windows 7 32/64bit 

Link Download : http://dlcdnet.asus.com/pub/ASUS/misc/audio/VIA_Audio_V6017600.zip

Asus P4P800S-X SoundMAX Audio Driver6.0.1.5898
Supported OS: Windows 7 32/64 bit / Windows 98SE/ME/2000/XP / Windows NT 

Link Download : http://dlcdnet.asus.com/pub/ASUS/nb/Drivers/Audio/Audio_Realtek_WIN7_32_WIN7_64_6015898.zip
Link Download : http://dlcdnet.asus.com/pub/ASUS/mb/sock478/P4P800S-X/AD1888.zip
Link Download : http://dlcdnet.asus.com/pub/ASUS/mb/sock478/P4P800S-X/NT40.zip

ASUS P5KPL/1600 VIA Audio Driver6.0.1.7600
Supported OS: Windows 32/64bit XP & 32/64bit Vista & 32/64bit Windows 7 
Link Download : http://dlcdnet.asus.com/pub/ASUS/misc/audio/VIA_Audio_V6017600.zip

Asus P5P800-VM Realtek Audio Driver5.10.0.5870
Supported OS: Windows 98 SE/2000/XP/2003/XP 64bit/2003 64bit 
Link Download : http://dlcdnet.asus.com/pub/ASUS/misc/audio/alc650/ALC650_5870.zip

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