@CodingAndThings What if you include the Ram CS/OE ? I wonder if the middle steps are due to protection diodes in the RAM etc when there's no actively driven output (assuming you don't have any pull-up/down resistors on the bus)
A4092 update: voltages looking stable, nothing blows up, and the card stays very cool (it's not doing anything, so that is good) #amiga#zorro3#scsi#JLCONE
The first A4092 #amiga#zorro3#scsi controllers appeared in front of my door this evening. And the red looks breathtaking. Next comes the hard part: bring-up #JLCONE