Mainboard 81-110: Revision history

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6 August 2025

  • curprev 12:5512:55, 6 August 2025‎ FrankRahman talk contribs‎ 1,018 bytes +1,018‎ Created page with "==81-110 General Info== The 81-110 Mainboard was the original Kaypro board and debuted with the first Kaypro II machines. It's design was based on the Ferguson Big Board. ([https://retrocmp.de/kaypro/kay-p2_hrdw.htm#mb-kII Thomas Brase]) It was exclusively used in the Kaypro II and for the most part was replaced by the 81-240 sometime in 1983. ==81-110A== The 81-110A is notable for 4 unpopulated chips locations from the Ferguson Big Board design (CTC, Monitor ROM, an..."
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