On 7/29/05, Olgierd Eysymontt <[EMAIL PROTECTED]> wrote: > > Actually, that's a side-effect of the way the previous generation of > > auto-routers worked. PCB uses a newer technology, so does not need to > > have dedicated direction layers.
I always thought it was because it was easier to route the board that way, whether you're auto-routing or hand-routing. Really, I thought this practice came about due precisely to the limitation of having only two sides to work with. :) -- Samuel A. Falvo II
