I found what patch 340 changed:
Quote:
Technical Details Associated with the New Patch:
Patch changes the program's build number to 340;
Maximum point sprite size is now limited to 256x256 instead of the maximum supported by the hardware;
Incorporates new version of the Entech library (used to detect the clock frequency of the graphics chip core and memory);
Provides more detailed and accurate system information and improved detection of hyperthreaded CPUs
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So nothing to do with cheating! 
I think 744 3D Marks loss is due to the limited of 256x256 point sprite size, is that same thing with texture? I think Geforce FX supported maximum of 4096x4096 texture. I still not understand why FutureMark restricted it to lame 256x256, it is so old now, it should use the maximum size. 
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