DoesBP=0Bufferpools=0Usepools=0Poolsize=0all refer to the same tweak[bufferPools]Poolsize=0

Three links that might help you answer your question:http://forum.avsim.net/topic/297361-bojotes-tweak-compilation/http://www.mycockpit.org/forums/showthread.php/20310-Jack-s-guide-to-the-BufferPools-Tweakhttp://www.simforums.com/forums/bufferpools0-the-holy-grail-of-fsx-perfo_topic33172.htmlBest regards,Jim

I think the next time it comes up - this is what I'll post too! :(