On Tue, 16 Nov 1999, Henry B. Hotz wrote:

> Since I was the "private email" source Wonko referred to this is not
> independent confirmation, but I'm pretty sure of myself on these points.
> 
> >I'm pretty sure only the II required PALs; the IIx motherboard was designed
> >to accept standard 4MB SIMMs.
> 
> I do not know of anyone trying larger than 4MB SIMMs in an original II.
> The point about 4Mb chips being the problem even if it was a 1MB SIMM was
> well made.  The problem is that there was a test mode invented for the 4Mb
> chips which the original II motherboard design did not know it needed to
> avoid;  hence random crashes.  My IIcx does not have the problem, and the
> IIx and SE/30 were all similar vintage.

I agree that the cx doesn't have the problem, but according to
http://www3.simpletech.com/cgi-bin/configurator.cgi , the II and IIx use
the same memory.

I've never understood why the IIx had the problem when the IIcx didn't - I
_thought_ they were released at the same time.

Quite weird..

Take care,

Bill