Try putting a no-erc directive marker on each unconnected pin.  The no-erc
marker looks like a red X.

Best regards,
Ivan Baggett
Bagotronix Inc.
website:  www.bagotronix.com


----- Original Message -----
From: "Ken Pelic" <[EMAIL PROTECTED]>
To: "Protel EDA Forum" <[EMAIL PROTECTED]>
Cc: "KerryArtesyn" <[EMAIL PROTECTED]>
Sent: Wednesday, August 22, 2001 1:20 PM
Subject: [PEDA] DRC issue


> Protel EDA forum members,
>
> In a P99SE design currently being wrapped up, we have a DRC error that is
> something we want to do that generates an error we would like to not get
> flagged. It would be good to set a very specific design rule to remove
this
> DRC
> error, but I want to keep from having this new rule disquise any other
real
> errors we need to correct. Our biggest concern in overlooking this desired
> error
> if it is flagged is we may also miss real DRC errors buried somewhere in
the
> list.
>
> Here's the scenario:
>
> In BGAs we have in this design, several pads are not used and therefore
> don't
> have any assigned netnames. We want access to them due to this being an
> initial
> prototype design and so we have vias associated with the pads to provide
> access
> to them even though they are currently unused. In the debug stage, we may
> need
> to make use of them and this provides that access if necessary. Of course,
> everything associated with the unused pads is flagged as a DRC error. My
> desire
> would be to set a design rule where anything associated with these unused
> pads
> is not flagged, but everything else is to prevent missing any real DRC
> errors in
> this design.
>
> I tend to think that with Protel's selection capabilities, there is some
way
> to
> set this up. Being there are more experienced minds out here than mine
with
> Protel software, I wanted to pose this question and see if someone has a
way
> figured to do this selection and rule setup. I look forward to any and all
> suggestions. Thanks in advance for your inputs and comments.
>

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