I have 3.07GB RAM recognized by 32-bit Vista (and a 4GB paging file). However, even under very heavy loads when over 1GB is paged and apps start crashing, Task Manager shows use of only 2GB average (fluctuating between 2 and 2.2GB). Why does it report ~1GB free under such conditions? If it's truly free, is there a setting in Vista I can use to utilize it?