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Back to forum See the full topic Go to last reply Posted By C16Terminal on 2019-10-16 04:12:38  Re: C16 Expansion Port to User Port That would be great! The chips: IC UM 6522 A 74 LS 04 N 74 HC 133 B1 are easy to get and beside them and the PCB nothing more is needed! Back to top Copyright © Plus/4 World Team, 2001-2024. Support Plus/4 World on Patreon