Mainboard 81-180: Difference between revisions

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=== B ROMs===
Monitor ROM [[Media:Monitor from 81-180 B 3484 (no label).bin| No Label]]
Monitor ROM [[Media:Monitor from 81-180 B 3484 (no label).bin| No Label]]


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=== C ROMs===


Monitor ROM [[Media:81-302.bin|81-302]]
Monitor ROM [[Media:81-302.bin|81-302]]


Char ROM [[Media:81-235.bin|81-235]]
Char ROM [[Media:81-235.bin|81-235]] & [[Media:81-187.bin|81-187]]


==Some changes between 81-180 B and C1==
==Some changes between 81-180 B and C1==

Revision as of 16:54, 30 October 2026

The 81-180 mainboard is used on the Kaypro 10 '83.

81-180 B

B ROMs

Monitor ROM No Label

Char ROM 81-187

81-180 C1

C ROMs

Monitor ROM 81-302

Char ROM 81-235 & 81-187

Some changes between 81-180 B and C1

The most significant changes between the boards includes:

  • The movement of U72 from the middle bottom of the board to the right bottom
  • U7 goes from being empty to unlabeled