Kasp908d :
http://s1249.photobucket.com/user/kasp908d/media/Mobile%20Uploads/20161018_122107_zpsaryutl01.jpg.html that my pc inside
Hmm... I thought that was indeed a BTX board at first. But it appears to simply be a mATX board mounted upside down in a BTX case. Odd. But from the hole pattern (that I can see) it looks like a std. mATX board will fit.
Does your case have an I/O shield that is removable, or one that is integral with the case? If you are unsure, take a photo of the back of the case.