Re: Apple 5.25" drive vs Unidisk 5.25"

["David Wilson" <mcs6502@gmail.com>]

> 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?

Here is another reference:
http://www.apple2.org/A2WebRef/A2Reference03.html

ROM03, IIc+ and IIe emulation card all require Apple 5.25 drives rather
than UniDisk 5.25.

I note that this set of machines represents the final Apple II
Smartport implementations.