A prototype of what was to become the RCA COSMAC Computer. Created by Joseph A. Weisbecker, this system has an early version of the 1801 dual-chip CPU and dates to around 1972. Click image for larger view.

The Otrona Attaché 8:16 Portable CP/M computer. Click image for larger view.

Consu The Educated Monkey an early 20th centory multiplication calculator. Click image for larger view.

This IMSAI 8080 with Cromemco Z80 CPU was part of the Cromemco Cyclops (Biclops, Triclops) exhibit. Click image for larger view.

The Cactus is a *new* computer with 6502 CPU, OSI BASIC ROM and working front panel. WOW! I guess you could call this the prototype model, we hope someday to see this machine in kit form for hobbyists to assemble. The only other 6502 CPU with a front panel that I know of is the CGRS, made as an add-on interface for the SYM-1. Click image for larger view.

My exhibit, the MITS Altair 8800b Jukebox allowed attendees to play new tunes using Dompier's program through a terminal interface. More info here Click image for larger view.

CLick image to download Introduction to VAX / VMS slide show PDF.