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Too much RAM??

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i've read the post about Rendering and RAM allocation and polygon counts...etc.

low polygon count in my case is not an option....we're doing a master plan for an office complex. with 5 buildings, trees, cars, roads, and terrain, the file size is still only 2.7 megs. no textures, just colors. 1 light source and rendered in QD3D.....on a G4/500 (384mb RAM w/ 385mb of Virtual Memory), it takes 40 seconds to render.

untill i turn off the class with the cars on it, then it takes over 6 minutes to render. which is backwards in my logic.

i've added more memory, up to 640 mb, and it still is VERY slow. i've also noticed that if virtual memory is set too high, rendering speed is unacceptable.

does anyone have a clue??

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