re: PLA for B Series

Here is a post from my web site in 2008 that Ed Shockley comments about 
this subject.

http://vintagecomputer.net/browse_thread.cfm?id=194

Bill Degnan

-------- Original Message --------
> From: "Hoffmann-Vetter, Martin" <martinHV@arcor.de>
> Sent: Thursday, December 23, 2010 10:00 AM
> To: cbm-hackers@musoftware.de
> Subject: PLA for B Series
> 
> Hello,
> 
> i've compare the PLA 906114-04 and 906114-05 from Edward D. Shockley at
> http://www.insectria.org/b128/hard.html. It's seem to be identically. 
Only
> some pins are changed.
> 
> At the same page i read the prototype co-processor board only work with 
the
> pla of the hi-profile 906114-05. Why that? Is that an error? Or ist my 
work
> to compare these PLAs buggy? Or the jedec files from Edward are bad?
> 
> Who can help?
> 
> Martin
> 
> 
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