I haven't had the opportunity to mess around with my 5200 hardware in the last few weeks so I'm kind of at a loss here too. I'd really like to know why the MPC board I tested worked on my glitchy (now totally non-functional) 5200 but not on my daily-driver machine that I use all the time. I have the parts to do power mods on both boards to eliminate the need for the (one) switchbox I own, so I hope to mod the glithy/dead machine first and then get it powered for testing without taking my othwerwise-good system out of rotation.
Once I get the glitchy/dead machine fixed, with luck it will still work with the MPC clone and I'll be able to figure out why THAT one works (worked?) with the board while my other system does not.
Edited by DrVenkman, Thu Dec 6, 2018 5:06 PM.