MOS 6522 Complex Interface Adapter


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MOS Technology 6522 Complex Interface Adapter.  These were pulls from scrap VIC-20 boards, but they have been tested as good in a working VIC-20. These should fit and work in many computer systems including:

  • Commodore PET and Drives
  • Commodore VIC-20
  • Commodore 1541 / 1541-II
  • Commodore 1571
  • Apple III (not to be confused with the Apple II series)
  • Apple Macintosh 128K, 512K, Plus
  • BBC Micro
  • Vectrex
  • Oric 1 / Oric Atmos

This chip is used for input/output.  So when they go bad, typical problems on the computer are things such as:

  • Disk Drive Ports
  • Joystick Ports
  • Keyboards
  • Serial Ports

Note about stock:  I have limited stock ready to ship, but I have more that can be tested. So if you see that it is out-of-stock, just wait a few days and check back as I will likely have more.

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