It's an Optorite. Latest firmware is 150.E .You can dl it here:
I haven't tried yet.
> I purchased a Cendyne 48x12x48 internal CD-RW drive. I know for sure
> it's not a LiteOn drive. The model as appears on the box is CW 4802.
> How can I find out what manufacturer it is so that I can download a
> proper firmware upgrade?