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At the moment I'm workig at a project where I have connected a PIC18F452 with a 3COM 3C509B Ethernet ISA card. I had build everything on a experiment-board. However, I want to build a second-one, so that I can put one online and experiment with the second-one.
However, I was not in the mood to build this on an experiment-board. So, it was time to try to design a PCB-board for it. With free(dom) software and Debian GNU/Linux off course ;-)
I have let make the PCB-board at www.eurocircuits.be. This was not that simple, because you can only use this website with IE.
More info about how I have worked around this problem is available here.
When I tried to put the components on this PCB, I discovered that I have forgotten to check the diameters of the holes. Some holes where not big enough. The voltage-regular, diode, resitor and jumpers doesn't fit in the holes. I have managed to solve this with a few tricks.
Off courses, this problem is totally my own fault. I should have checked this. But hey, this is a nice lesson that I have learned for the next PCB :-)
I have changed my files so that the holes are big enough now. You can download this files here. The .gbr's are the "Extended Gerber RS-274-X"-files ad the .cnc's are the "Excellon/NC drill" files.
Note that I have not let make this second revision. I think that there are no issues now, but it is possible that some things can be improved. Suggestions are welcome!