Model: CE-CW05(GENERIC cdrrw05)
Operating System: 21 (Note: might work with other versions of this os.)
However the Japanese site support.sharp.co.jp/mebius/download is great unfortunatley it is in Japanese. If you do(as most of you dont) read Japanese the first open box is the search engine. The next page is the results so follow your eye and match the model numbers. GOOD LUCK!!