your problem is not in anything that you have done with generating
your new footprint, nor trying to update the PCB. The problem results
commonly if you have a different number of pads/pins within the two PCB
footprints. The error message indicates that there is a differing number of
pads/pins in the two footprints. This is an issue that I have had with a
number of CAD packages. My Comment is, " what!" I want to change the
footprint, thanks for the warning, now do it.
        Your only work-around that I am aware of is:
delete the old footprint from the PCB database, save the PCB database, run
your update utility from the schematic. Then it should stick in the new

Brad Velander.

Lead PCB Designer
Norsat International Inc.
Microwave Products
Tel   (604) 292-9089 (direct line)
Fax  (604) 292-9010

See us at Booth S8155 at NAB 2002 in Las Vegas April 8 - 11.

-----Original Message-----
Sent: Monday, March 11, 2002 5:49 AM
To: proteledaforum
Subject: [PEDA] footprint update problem


I am having difficulty getting a footprint change to take place in the PCB.

I have copied, renamed and edited and saved a footprint in the PCB library.
I then edited my schematic symbol in the schematic library to use the edited
and re-named footprint, saved, pressed Update Schematics and did a Save All
on the main file pulldown menu.  When I run the Update PCB process, I get an
error that says:

"Macro 1: Component Footprint Change
Update component JDB1 footprint AMP_MICTOR38 to AMP_MICTOR38_NO_SH
Error: New footprint AMP_MICTOR38_NO_SH not matching old footprint

After this, I went back to the schematic and re-placed the instance of the
symbol by-hand, re-ran ERC/Netlist/Update PCB only to get the same result.
Is there nothing I can do to avoid deleting the placed PCB component and
re-placing it on the board?

Ken Pelic
Avistar Communications
Posted from Association web site by: Ken Pelic

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