I have in hardcopy the "IBM Technical Reference Personal Computer XT and Portable Personal Computer, 6361459. It is in a mini 3 ring binder. I don't have it scanned, nor am I willing to scan it. However, if you cannot find electronic versions, perhaps there are parts of the manual you want. If you want JUST the system board schematics, then I will scan the 20 or so pages, but it might take a while. It would be easier for me to photocopy the 20 or so pages and send them along. regards, Joe Heck