David Wilson wrote:
Michael J. Mahon wrote:That's *very* interesting, since the drive is just hardware. ;-) There must be some line used for smartport signalling that it leans on too hard...? Since it apparently *works* with the ROM01, it could be a signal loading issue, where the ROM3 tightened the timing...or what?I finally found where I read about this: http://www.apple2.org/A2WebRef/A2Reference05.html
So Apple *did* abandon compatibility with their older 5.25" drives! Actually pretty amazing, since they got so little for such a big backward compatibility hit. -michael Parallel computing for 8-bit Apple II's! Home page: http://members.aol.com/MJMahon/ "The wastebasket is our most important design tool--and it is seriously underused."