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Reply to "The dreaded GROUND PLANE issue - new (interim) findings"

More than once the power brick has been the issue.  One thing you can try now that you have gotten it working with my kludge.  Use an ohmmeter and check continuity between the wall plug round pin (earth ground) and the outside barrel of the power plug to the Legacy base.  If that is not connected, that is the likely problem.  You can also plug the Legacy base connector in and try continuity between the wall outlet round pin and pin 5 on the serial port.

I wouldn't be so quick to dismiss the house wiring, it's pretty common to find issues with wiring in many houses.

Last edited by gunrunnerjohn

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