I have Windows 7 64 bit and 8 gb ram (the most that the MB will accept. I had a spare 16gb ready boost compatiable USB drive and used it for Ready Boost. Seems a little bit quicker. My question is this: ReabyBoost is addressing 4 GB of the 16gb. I think this is all it is supposed to do. Can I used the remain 12 gb for storage or as a working area for products without compromising Ready boost?