Hi all,

I am generating the gerbers for a relatively large PC Board using Eagle, and 
it is taking a *very* long time.  This is really a bunch of projects put 
together, totalling to ~14" x 11.5", 2 layers, no soldermask or silkscreen, 
and ~4,000 holes.  Machine is 1.6Ghz w/256Mb RAM.  I'm trying to find out why 
so long, and what I can do about it.

My guess is the groundplane is the reason -- from past experience I have 
noticed that as soon as I add a groundplane to a board, it takes considerably 
longer to process (I don't have actual numbers to quantify that), and approx 
half of this board has a groundplane on one side.

Currently (over 2 hrs into the processing), it is up to "Printing aperture 
D41".  I understand that an "aperture" is an individial element on the board.  
Not sure if that's just components or also includes pads and signals, etc, 
but either way I'm sure this board will have much more than 41 apertures and 
I'm concerned that this will not be completed in the near future.

Any idea what I'm in for time-wise and what I could do about this to speed it 
up?

Thanks,
-Neil.


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