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#11
Well from what Roy has said about it being an 8 machine to start with and that dodgy sticker and the fact that you have tried all those OS's it doesn't look good.
The dump file you mentioned - ntoskrnl.exe is a very common dump and it can take a lot of tracking down but in essence unless I am terribly wrong it means that the OS is not loading properly because it cannot access the various parts of the machine for a number of reasons see this ntoskrnl.exe - Wikipedia
Look I think that for all the grief of trying to get it going (which I don't think it will) buying an OEM and doing what I said with the drive will save so much time and energy and frayed nerves as well.