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  • jdreesen's Avatar
    January 16th, 2019, 12:25 PM
    And the second board : display / keyboard also on Eurocard size ( 160x100 mm) Can be build as a MEK6800D2 functional copy. However I added extra...
    108 replies | 9004 view(s)
  • jdreesen's Avatar
    January 8th, 2019, 12:46 PM
    Hi Dave, thanks for your input! Please meet JP7 at pin 35 of the CPU ! JP4 / A13 is there to enable the use of a 6264 SRAM. I have loads...
    108 replies | 9004 view(s)
  • jdreesen's Avatar
    January 8th, 2019, 06:54 AM
    My BitBucket rebuild is coming along slowly, but nicely... It is a standard Eurocard size. 160x100 mm Hopefully not too many design errors, I...
    108 replies | 9004 view(s)
  • jdreesen's Avatar
    January 4th, 2019, 10:42 AM
    I seem to have located a bunch of PCBs from an IBM System 32. See ftp://ftp.dreesen.ch/IBM_S32 Anyone has a picture of what a complete CPU...
    0 replies | 104 view(s)
  • jdreesen's Avatar
    December 27th, 2018, 11:54 AM
    Took a bit longer than expected, but here it is : the first drawing of what I intend to put on an Eurocard sized PCB (100x160 mm ) ...
    108 replies | 9004 view(s)
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About jdreesen

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About jdreesen
Location:
Switzerland
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Engineer

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