schmidtd wrote:
On Apr 22, 11:05 pm, "Michael J. Mahon" <mjma...@aol.com> wrote:So, just to summarize, the same procedure, same disks, same drives, same controller, sam power supply--all work fine when only the main board is different?Yes. One more difference: the board I'm testing is bare naked, sitting on a non-conductive surface. The parts I'm swapping in and out are in an Apple resting comfortably in a case. Grounding, maybe?
I'd be very surprised. The Apple board doesn't depend on its package for good (enough) grounds--the AppleCrate boards are connected to ground only by their power supply connections. -michael NadaNet networking for Apple II computers! Home page: http://members.aol.com/MJMahon/ "The wastebasket is our most important design tool--and it's seriously underused."