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Ithaca Intersystems DPS-1

Release Date: 1979
CPU: Z80 at 4Mhz
Ram: 8kb up to 256kb
Price:$7200

Unlike the TRS80 model 1, the Ithaca Intersystems DPS-1 weighs close to 1.5 tons. It was however, one of the first machines that could reliably and relatively inexpensively run both CP/M and Unix.

The DPS-1 appears to be a clone of the Altair 8800(which we also have in our museum). Like the Altair and the Imsai, it had an S-100 bus. It was also one of the last computers with a front panel that featured switches and data/address LEDs. The switches and LEDs were used to enter programs(as it did not have a keyboard) and the results of the program were displayed through the LEDs(not a monitor, as it didn’t come with one of those either).