Originally Posted by
MrMetric
When you say that you fried your PC main board, that can be a little ambiguous in CNC land. Mitsubishi sometimes calls the NC control a PC. I assume you do not mean that, but the actual Personal Computer, right? If so, do you know what happened? If you are using HyperTerminal, I'm assuming this is all just RS232 based. I can't understand how changing parameters in the control would feedback in a way that damage the personal computer through RS232.
But... good news on fixing the machine, and thank you for attaching processes, etc. I don't own the machine, but I always appreciate it when I can find information for machines I do own.