Hi HeathKit based systems I have some old cpm systems and 1 cpm/dos hybrid s100 bus system. 8" floppy drives w/floppys, corvus 10meg hard drive, 5.25" 90k hard sectored drives & floppys. 5.25" 720k soft sectoreddrives and floppy's Most documentation/manuals available. tons of cpm software and very early ibmdos zdos msdos programs & ops systems. any takers getting ready to dump it all soon one way or another so please respond by or b4 6 SEPT 06 email back or ask for will 415-468-0960 leave message ok san fran, ca