What is 32-64 bit apple boot screen and GraphicsEnabler

[paipai]

what does they do can I choose all of them?

 

[dddirtman]

that selects the core kernel of the os 32 or 64 bit memory access....it does make a difference in performance....but the casual user won't notice much of a difference...

 

[paipai]

should I check 64bit apple boot screen than 32bit right?

what about GraphicsEnable=no what does they do?

 

[paipai]

Oh I just try to check 64bit Apple boot screen then I restart on the apple boot screen , my display was gone T^T