Posted By
MMS
on 2020-11-01
09:06:00
 |  Re: Video Socket Pin5 is Another Audio Output. Proof.
So, I think the best to refer back to Bil Herd's and Dave Haynie's original platform description.
I just simple clone it here from the PDF "264 hardware specification".
Everything else could be simply questionnable, may contain mistake, bugs. These guys developed this computer, and knowing them inside out, or at least did.
(although Bil left after Cq28 project, Dave was in the development teams of several iconic computers, like A2000, A3000, A1200 and ZorroIII bus)
The leak is highly suspected, especially the strange behaviour of the computer.
Maybe there is a short circuit or extra soldering material between the pins, maybe a too long cut wire bent and reaching ground or the EMC protection shield, etc
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