I'm still searching for the paperwork. the model no. isn't printed anywhere on the PC itself. The only printed info is the windows sticker, the pentium 3 logo and the number 800, although I'm not sure this is the model just the speed of the processor?
Why is the model important? I don't think you can buy these sort of PSUs now can you? If I can't get a replacement I need to find some way of transfering the programs I have to a new computer. I'm not sure how to do this though as I have a lot of data saved within the program files...meaning I can't just reinstall them on a new PC(I'd lose all the data

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As I said before I'm still looking for the papers but I bought this PC back in 2000 and I've since misplaced all the papers. If there's anyway you could help me find a PSU or a way of transfering the data I'd appreciate it.