Which hardware, BIOS do you ue? Compre first message, try set fd1 #(fd1) optional, required at some BIOS map --mem /Inst/XP_INST.IMA (fd1) Hardware Asus Board, Model, A8V Bios, American Megatrends 2 Gigs of ram 120gb hard drive sata Thank you , no more Missing Fiadisk.sys but now i got SetupOrg.exe missing but I was able to figure out that error, so now I was able to install Xp via ram.. yay!!! so happy took me almost 10 hours yesterday trying to figure it out, I was bored at work, so this helped kill some time but at the end of the night I wasn't to happy but today , you made my day. One thing I did notice was that once I fixed the setupORG.exe, i got the firadisk.sys missing again but I press the ESC to skip file and it then it asked for IMDISK files, but i just skipped them all and it let me install windows xp.