How do I tell what version of C-media A97 I have?

BBCMember

Senior member
Jul 23, 2005
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I did a windows update and it had a c-media a97 driver to install that was created on December 2005, but one component (the c-media a97 audio device), has a yellow exclamation point. I went to properties and cannot find the version number so I can download it from cmedia.com.

Here are the choices:

CMI9880
CMI9761
CMI9739
CMI9738

How do I find out which one to use if I can't open the tower to see what mobo is used?