@dc42 The problems seems to have gone away with the new RC3. Thank you for whatever was fixed 
Best posts made by cbusillo
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RE: Network and restarting Issues with 3.5.0-RC3posted in Beta Firmware
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RE: Duet Ethernet stuck on pausing.posted in Duet Hardware and wiring
Everything is working now. Thank you so much for the quick help
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RE: Connected inductive probe directly to Z probeposted in Duet Hardware and wiring
Thank you so much for the link. Kicad source is awesome. It goes through a 10k to the MCU. Its showing a much lower static resistance on one direction. I think that usually means a bad internal diode in the package. Oh well. I'll likely just live with it on this board.
After the mishap I added a Schottky diode and its working on the Z stop. Thanks again.