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Macintosh Plus Brainstorm Accelerator Logic Board Motherboard 820-0174-A WORKING
Macintosh Plus Brainstorm Accelerator Logic Board Motherboard 820-0174-A WORKING
Macintosh Plus Brainstorm Accelerator Logic Board Motherboard 820-0174-A WORKING
Macintosh Plus Brainstorm Accelerator Logic Board Motherboard 820-0174-A WORKING
Macintosh Plus Brainstorm Accelerator Logic Board Motherboard 820-0174-A WORKING
Macintosh Plus Brainstorm Accelerator Logic Board Motherboard 820-0174-A WORKING
Macintosh Plus Brainstorm Accelerator Logic Board Motherboard 820-0174-A WORKING
Macintosh Plus Brainstorm Accelerator Logic Board Motherboard 820-0174-A WORKING
Macintosh Plus Brainstorm Accelerator Logic Board Motherboard 820-0174-A WORKING
Macintosh Plus Brainstorm Accelerator Logic Board Motherboard 820-0174-A WORKING

Macintosh Plus Brainstorm Accelerator Logic Board Motherboard 820-0174-A WORKING

$ 158.37

Availability: 100 in stock
  • Condition: Tested and working. Includes the Brainstorm Accelerator Mod which . The board has not been professionally refurbished or serviced in anyway, so expect to have problems and repairs in the future. Board is sold as is according to the description. Please refer to photos for full cosmetic condition.
  • MPN: 630-4122
  • Brand: Apple
  • Vintage: Yes
  • All returns accepted: ReturnsNotAccepted
  • Compatible Brand: For Apple
  • Type: Motherboard

    Description

    Macintosh Plus Brainstorm Accelerator Logic Board Motherboard 820-0174-A WORKING
    Tested and working. Includes the Brainstorm Accelerator Mod.   The board has not been professionally refurbished or serviced in anyway, so expect to have problems and repairs in the future. Board is sold as is according to the description. Please refer to photos for full cosmetic condition.
    Brainstorm’s accelerator uses the 16 MHz 68000 and also includes a ASIC to replace an Apple timing chip. The custom ASIC acts as a bus accelerator, so data traveling over the internal bus will move at the same 16 MHz speed as the processor.