D.G.A. Electronics D156-SS Single Board Computer

Title

D.G.A. Electronics D156-SS Single Board Computer

Subject

hardware: single board computer

Description

Historical context:
D.G.A. ELECTRONICS LTD. was founded by Doug Atkinson in 1977 in Toronto, Ontario, as an electronics design firm. It specialized in the development of custom computer hardware and software including single board computers.

The D.G.A. ELECTRONICS  D156-SS specifications:
  • CPU - Motorola 6802, 8-bit
  • RAM - eight 14-pin sockets; two populated with HM472114 1024 x 4-bit memory chips
  • ROM - two 24-pin EPROM sockets
  • buss architecture: STD
  • ports/connectors: serial and parallel, expansion buss connectors
  • manufacturing data: 1980


     MICROPROCESSOR BASED EMBEDDED CONTROL SYSTEMS
     AUDIO/VIDEO SWITCHING
     RADIO FREQUENCY COMMUNICATIONS
     SOFTWARE AND FIRMWARE PROGRAM DEVELOPMENT
     MOTOR CONTROL SYSTEMS
     INFRARED DEVICE CONTROL

Source

D.G.A. ELECTRONICS LTD

Date

1980

Coverage

North America

Files

Citation

“D.G.A. Electronics D156-SS Single Board Computer,” York University Computer Museum Canada, accessed November 4, 2025, https://museum.eecs.yorku.ca/items/show/332.

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