Yahoo won't allow me to email an attachment over 10MB. The file is 19+MB.
Below is the link. The file name is c-media 9737 9761.zip
You will need to register at the site. registration is free. The file is on the page I am linking.
BTW, your motherboard appears to be a MSI (MicroStar International) model.
If you browse through their archives for boards with a socket 775 and the other info you linked to in your last link you should be able to track down the model number and get all the info on it.