Quote: Originally Posted by
SteveM 
Because my understanding of 64 bit OS's are the usability of the CPU's.
If the OS gives a task to the CPU to read data and then (if it is correctly programmed) to use the other CPU to write data it does not matter at all where that read/write information is from.
Steve,
64-bit OS's do not, inherently, use multiple CPU's better than 32-bit OS's. They just have the ability to address a larger memory space and handle large amount of data more efficiently.
Scott