ExpandSystemMemoryX64=true (this is to use memory better in 64bit OS)
ReduceSystemMemoryUsage=true (another tweak to use the enb to handle memory better. Mostly you must test the game with this TRUE and FALSE to see what is better)
DisableDriverMemoryManager=true (Boris only uses Nvidia and he made this to be a help for AMD users. I always had this enabled in all my games with ENB, since i use AMD, but some say it can help anyway, because makes ENB handle the video memory)
DisablePreloadToVRAM=false (better false. This will make textures and everything be loaded when you see, not before, so you can expect stutter if using too much texture mods. Or try using it TRUE if your GPU is too weak)
EnableUnsafeMemoryHacks=false (this one i never understood right and should not be used unless you have too much stutter and have a big GPU with more than 4gbs - STEP information)
ReservedMemorySizeMb=512 (well, never get this too. They say the low, the better. If you experience stutter, just rise the value, from 64>128>256>512>)
VideoMemorySizeMb=10886 (this is another tricky one. Vram + RAM - 2048? Or just VRAM? It seens that no one really knows the right amount hahaha. What seens more reasonable is to use the Vram size test with dx9 and put the number that appears here, if using win 8>)
EnableCompression=true (better for 2gb< VRAM, and FALSE for more VRAM)
AutodetectVideoMemorySize= (if true, it will auto detect VideoMemory Size. Doh)