The Motorola MEK6800D2 is a S100 bus microcomputer designed in 1976 as a development kit for the Motorola 6800 CPU. It comes with a built-in keypad and everything required except for the PSU to run and test features on the Motorola 6800 processor. With a little but of user assembly, the development kit could be turned into a fully operational computer.

The IC’s on this board mostly date from 1979.

Key features of the development board include:

  • Asynchronous RS232 interface
  • Hexidecimal keypad
  • Audio cassette tape interface
  • JBUG monitor software
  • 1k ROM
  • 256 Bytes RAM as standard (Expandable to 512 Bytes)
    U13, U14, U16, U18, U19 – IC13 is used for the Monitor program.
  • 2k EPROM
  • Six 7-segment LED Display
  • Parallel bus interface
Year1979
Make & ModelMotorola MEK6800D2
Generation4th
CPUMotorola 6800
Speed614.4kHz
RAM & ROM512 Bytes (4x IC’s)
Power12V
Exhibit No.1342

Machine 1


Machine 2


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