Sondigo, Inferno, C-Media chip
GREAT in 2000 pro, no Linux support (Drivers) as yet. stuck using on board sound in Fedora, but I'm told there are linux drivers in the works.
Brief Summary of Features: (Click here for a full list of features)• 7.1 channel 192kHz/24-bit output
• Stereo 96kHz/24-bit inputs
• S/PDIF optical input and output
• DTS® Connect with DTS Interactive and DTS Neo:PC
• Dolby® Digital Live
• Dolby® Pro-Logic IIx
• Dolby® Headphone
• Dolby® Virtual Speaker
• C-Media Karaoke
• C-Media Magic Voice -
• C-Media FlexBass
• C-Media Xear 3D™
• 10-band Equalizer with 12 preset modes
• EAX™1.0&2.0, A3D™ 1.0, and DirectSound
• Includes InterVideo WinDVD 5, with a full 5.1 Dolby Digital Decoder