how i can use or specifiy a definit software to work with CPU0 or CPU1 in core 2 due laptop with win 7 operating sustem,also i have toshiba laptop satellite A200-200 2.2 GHZ with 4.00GB ram,I made clean win 7 upgrade(format) it gives me 4.00GB ram (3.00GB usable( how to use the whole 4.00 GB ram?