Hi Emanuel,
The ability to make a single sided PCB has been lost by the
developpement team in some versions... Fortunately, the last version,
dated 15 07 2008 has recovered this possibility : you just have to
choose copper for the two layers.

Remy





--- In [email protected], "Alain M." <[EMAIL PROTECTED]> wrote:
>
> Hi Emanuel,
> 
> I see that you are pursuing this, so I may perhaps help you in some 
> other way... Considering that you said that it is a simple board, I am 
> assuming also that it is reasonably small, then what "I" would do is
this:
> 
> 1) with all in place, components and nets, save what you have
> 2) auto-route once, just to see what you get
> 3) use the Recover or Previous version to undo the routes,
> 4) if you like what you see, route some tracks manualy using the 
> rat-nets, otherwise move things around for a better layout
> 5) check DRC to see if there are errors,
> 6) repeat from 1) or 2) a few times
> 
> This is not auto-route at all, I know, but you will get what you want 
> very fast. The integrated router is so easy to apply, that I use this 
> procedure even for dual layer and in the end 99% is hand-routed.
> 
> I hope this helps,
> Alain
> 
> Emanuel Rumpf escreveu:
> > How to make a board single-sided ??
> > 
> > In the tutorial  I read:
> > 
> > "We wish to make a single-sided board for this simple circuit, so
> > we'll tell the auto-router to use only one side. Right-click in an
> > empty area and select "Global Autoroute>Select layer pair". In the
> > dialog, select "Copper" for both Top Layer and Bottom Layer, and click
> > OK. (Some people call it the "solder side" instead of the "copper
> > side".)  "
> > 
> > BUT if I try, I get the message "The Top Layer and Bottom Layer
must differ"
> > 
> > why, please ??
> > (mode: track and autorouting was selected)
> > 
> > thanks
> > 
> > ------------------------------------
> > 
> > Please read the Kicad FAQ in the group files section before
posting your question.
> > Please post your bug reports here. They will be picked up by the
creator of Kicad.
> > Please visit http://www.kicadlib.org for details of how to
contribute your symbols/modules to the kicad library.
> > For building Kicad from source and other development questions
visit the kicad-devel group at
http://groups.yahoo.com/group/kicad-develYahoo! Groups Links
> > 
> > 
> > 
> > 
> >
>


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