[[File:Terje 464-MC0122B-6.jpg|141px|left]]
* '''Board: 2700-016P-3, MC0122B, Copyright 1990'''
* IC16 is 74HCT02 with two extra resistors between pins 2+14 and 3+4
* extra diodes near R71-R75 (below right edge of expansion port)
<br style="clear:both;">
[[File:Terje 464-MC0122C-7 unrotated.jpg|141px|left]]
* '''Board: 2700-016P-3, MC0122C, Copyright 1990'''
* IC16 is 74LS27 without extra resistors
* other extra diodes near R71-R75, and R73 is not installed
<br style="clear:both;">