RE: 2031LP: Question on VIA connections for the IEEE VIA

From: Bil Herd (
Date: 2007-05-16 06:22:39

I wouldn't be surprised if this is an error in the schematic.  When I
would find these I would look for another signal (such as hd_sel) that
doesn't seem to go anywhere either and then check the code, etc to see
if that might be a possible rename of a signal (one end gets renamed,
not the other).

Looked to me like a couple of signals may have been missing from that
area of the schematic, but it has been a long time. I had one of those
schematics around as I used to use it to quiz possible new-hires.


> -------- Original-Nachricht --------
> Datum: Sun, 13 May 2007 15:42:42 +0200
> Von: Spiro Trikaliotis <>
> An: cbm-hackers mailing list <>
> Betreff: Re: 2031LP: Question on VIA connections for the IEEE VIA
> > Hello,
> > 
> > I have another question regarding the 2031LP:
> > 
> > Regarding the 75161, what is "DC" (pin 11) connected to? According
> > some data sheet I got of a 75161, I believe it must by connected to
> > so ATN is an input. Unfortunately, I cannot find this on the
> > 
> > Regards,
> >    Spiro.
> > 
> > -- 

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