I dont have audio driver of creative sound blaster card SBO 680

If you're using Windows 95/98, you can download this file and update your Sound Blaster 16, Sound Blaster 32, and Sound Blaster AWE drivers. Please refer to the readme file for installation instructions. This new version solves the audio distortion problem that occurred when the Sound Blaster 16Xpress chip was left running overnight.

http://download.cnet.com/sound-blaster-pci128-drivers/3000-2120_4-10038063.html This is an updated driver release for Creative Sound Blaster PCI128 for Windows NT only

http://download.cnet.com/sound-blaster-audigy-driverpack/3000-2120_4-10198813.html The driver contains optimized support for Windows 2000/XP operating systems and is designed for use with all current models of Sound Blaster Audigy audio cards (all existing Sound Blaster Audigy Card to SB023x models). Features includes: drivers are WHQL Certified; provides Dolby Digital decoding from external SPDIF Input; speaker settings in Creative Audio Mixer are synchronized with Windows Multimedia setting; new presets and effects added.

http://download.cnet.com/creative-sound-blaster-audigy/3000-2120_4-10198811.htmln This update is for all Audigy 2 and Audigy 2 ZS series audio cards, which include the Platinum, Platinum eX, Platinum Pro, Digital Audio and Gamer versions. This update is not meant for original Audigy series audio cards. This update contains additional features and fixes to improve the performance of your Creative Sound Blaster Audigy 2 or Audigy 2 ZS series audio card.


on cnet download.com you can find these drivers hope one of these will help