Mainboard 81-180: Difference between revisions
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===C1 Machines=== | ===C1 Machines=== | ||
79763 - MBN 15062 | 79763 - MBN 15062<br> | ||
Loose - MBN ?420 (Sticker may be covering) | Loose - MBN ?420 (Sticker may be covering) | ||
Latest revision as of 16:57, 30 October 2026
The 81-180 mainboard is used on the Kaypro 10 '83.
81-180 B
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B ROMs
Monitor ROM No Label
Char ROM 81-187
81-180 C1
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C1 ROMs
Monitor ROM 81-302
C1 Machines
79763 - MBN 15062
Loose - MBN ?420 (Sticker may be covering)
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