The DRC developed driver for the C-media CMI 9880 sound card. This driver can be used on both Windows Vista (32 and 64 bit versions) and XP.
Installation steps for Windows Vista:
1) Unzip file on hard drive for safe keeping. 2) Right click setup.exe and click Properties. 3) Go to Compatibility tab and check "Run this program in compatibility mode for:" and select "Windows XP (Service Pack 2)" 4) Click OK and run setup.exe 5) Restart Computer and plug in the jacks for your audio system, earphones, microphone, etc.