1) you probably subdivided way too much, bust it down a level or two and see how it looks, if there isn't that much of a detail hit, try using that. 2) You can break it into seperate pieces and export each piece and bake them separately. 3) Be wise with your sub divisions and pieces and you'll avoid these types of problems…
I keep getting this memory error while trying to bake from high poly to lowpoly, even after a full cpu restart with no other programs running. I have 2 gigs of ram, intel duo core 2.66ghz cpu. My high poly is about 3.7 million tri's, could that be the problem? In my baking settings I have active Light Tracer and Enabled…