Hi yonel, I think the microsoft technical issue you mentioned, do not apply to our problem.. Cause there is no sound-device available.
Ok, to get back to my own checklist.
I went in to Win CE system properties and found out the mips proccessor is probably based on a AMD Alchemy SOC. http://developer.amd.com/documentation/articles/pages/616200624.aspx . Looking at the usage description on that page, the type we have is probably the AU1500. Google brings me to: http://datasheet.elcodis.com/pdf/49/42/494222/au1500-500mbd.pdf
That datasheet tells me, that a ac97 controller should be av