Mainboard 81-180: Difference between revisions

From Kaypro Journal
Jump to navigation Jump to search
No edit summary
 
(One intermediate revision by the same user not shown)
Line 34: Line 34:
|}
|}


=== C ROMs===
=== C1 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]] & [[Media:81-187.bin|81-187]]
Char ROM [[Media:81-235.bin|81-235]] & [[Media:81-187.bin|81-187]]
===C1 Machines===
79763 - MBN 15062<br>
Loose - MBN ?420 (Sticker may be covering)


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

Latest revision as of 16:57, 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

C1 ROMs

Monitor ROM 81-302

Char ROM 81-235 & 81-187

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