We've previously shown you how to move your Firefox cache to system memory, but a dedicated RAM disk might be a better solution for serious browsing speed. The Hack a Day blog points out the how ...

We've talked about moving your cache files to a RAM disk to speed things up, but it turns out Firefox has this feature built in. Here's how to turn it on.

I was guessing that this behavior was due to FF being paged out to disk. Task Manager only reports 450MB being used of 512MB RAM, so I guess disk cache is pushing FF out of memory.

Setting the Browser Cache Folder in Firefox. Like most modern browsers, Firefox uses a cache folder to save content items that it has downloaded from the Web. You may wish to change the folder or ...