This is the origional ISO that came with my Hammerhead FX USB model sv262f. I also own the origional 2v262a and found that it works for this model as well. I managed to get it to work with All Windows including 2003. I found that I could force it to work with Windows XP but don't recommend this. Sometimes it worked great for some depending on thier motherboards and sometimes had to be forced on other computers. There are driver updates here at driverguide.com that help it work in case this download doesn't. But this is the origional CD ISO for the latest model.