View Full Version : Real S-100 machines on the Internet

April 30th, 2003, 12:58 PM

I have three Z-80 based machines available for use via the Internet. They are a Northstar Horizon, Cromemco System One, and an Altos 5-15AD. The Altos is not S-100, but it does run CP/M, MP/M and OASIS. You can access these machines at:


The Cromemco is off-line at the moment while I get some parts together to build another power controller, but if you really want to try the machine out, I can disable the Altos temporarily.

I will be adding more machines to my on-line collection as time permits.

May 5th, 2003, 04:52 PM
How are you making these available? Is there a host machine that passes through to the older machines using the serial port?

June 20th, 2003, 10:28 AM
As I understand it, Howard has some type of telnet to serial port selector that is attached to his network and on the other side there are serial ports that attach to the Z80 computers. He also has a power relay that turns the computer on when it's accessed through the port selector. Pretty cool, and it's fun to attach to a real Northstar or Cromemco on the internet.


August 18th, 2003, 08:34 PM
That's pretty damn cool. :)

The only thing it's missing is ZCPR3. :)