So the DRC is not telling you that something is wrong? Actually, I have
heared that there is a PCB designer that is capable of generating a 3D image
of the board -- just like an architectural CAD software. That might helpful
to realize such problems :-)

Tamas




On 18/09/06, CSB <csb_cbw@fastmail.fm> wrote:
>
>
> On Mon, 18 Sep 2006 10:22:36 +0100, "Tamas Rudnai"
> <tamas.rudnai@gmail.com> said:
> > Many thanks, Vasile! I have spent couple of hours yesterday on figuring
> > it
> > out, reading the docs, but obviously I did not notice (I thought mirror
> > is
> > for left/right mirroring :-)
>
> Watch out for DIP ICs. Mirror those, and the difference isn't visible
> unless
> you already have some traces connecting it. Happened to me once, let's
> just say
> the 74HC132 didn't work very well. I had to solder it 'under' the PCB.
> --
>   CSB
>   csb_cbw@fastmail.fm
>
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