This is NOT my system, but would make a good addition to someone's collection: http://www.vcfed.org/forum/showthread.php?62350-FS-Xerox-820-II-16-8-Compute... Appears to have a working hard drive, and also has the 8086 upgrade board. -------------------------------------------------------------------------------------------------- Moving and the new place is smaller, so paring down my collection... This one is first, the 3B2 is next! XEROX 820-II COMPUTER - w/ Expansion Box (8"HD / 8" FD), Software, and More Click image for larger version. Name: 20180227_205338.jpg Views: 13 Size: 96.8 KB ID: 44027 Just fired it up and it works. Booted CP/M 80 form the HD... It has the 16 bit "upgrade" (8086) and comes with MS-DOS 2 and CP/M-86 on 8" FD (untested). This sucka is HEAVY so probably needs to be picked up - local to Philadelphia, PA (Delaware County Suburbs) Posting here and one other site; wanted to give y'all first crack. MAKE OFFER via P/M.