On 03/13/2016 02:34 PM, (PeteCresswell) wrote:
Unless somebody has a better idea, next thing I am going to do is to
revisit the power supply and verify correct voltage on each output lead.

The newer power supplies are deceptive.

http://www.howtogeek.com/172933/how-...Speed=noscript

You need the jumper before the power supply itself fires up. The last
time I had a problem that didn't trace back to a defective supply it was
a bad floppy drive.