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This mini forum is intended to provide a simple means of discussion about the Cromemco  Z-1 computer. If you want to share your own experience or memories, or add relevant information about this system: post a message!

  Click Here to add a message in the forum


Tuesday 11th June 2019
Martin (USA)

The Z-1 had 3 significant changes from the Imsai 8080 upon which it was based: 1) The Motherboard was replaced with a Cromemco Blitz Bus (the rare version of this bus with the front connector offset to accept the front panel) 2) the CPU was replaced with the Cromemco ZPU, and 3) the film in the front panel was replaced with one that says Cromemco Z-1.

The Blitz Bus was supposed to handle higher frequency better, to support the 4 MHz ZPU.

On my Z-1, the fuse was relocated to the rear panel. I suspect this was also done by Cromemco when they created the Z-1, but I don''t have confirmation.

Tuesday 3rd February 2015

Where''s the mouse?

Tuesday 22nd November 2005
Tommy (...)


It was the IMSAI 8080

they look alike

Tuesday 22nd November 2005
Tommy  (playing halo on my pimped-out 386)

This is the computer from the movie War Games (1983)

The company Cromemco is still building these
on there website, for 8bit programming needs
(they have some that run at 90 mhz)

Sunday 5th January 2003
paul (uk)

thought id post a msg while no one else has, n what an ugly weird thing

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