Well, thanks for the reply, a little harsh with the comment about not searching though buddy. I wouldn't have asked the question if I hadn't already searched. There's just a little unsurity about the serial codes and how specific manufacturer oem serial codes are implemented when using the rvm itegrater with the oemscan tools. For example, I've made a disc using the oem bios addons which is fine, but in my winnt.sif file, while it is automated I am of course going to have to still enter the Serial code as there isn't one specified. Do i need to make lots of winnt.sif files for each bios? If so, where do I put them? Sorry If you thought I was being lazy, perhaps I wasn't specific enough. Thanks for the links, I have already viewed them but got a little lost in there. Insomnai