On 22/07/10 18:07, Warren Young wrote: > Very few programs can use PAE to get at that extra RAM. Can the > programs you run do this? With PAE you can utilize all of the extra RAM but each individual program will be limited to 3GB user space, you can fit a more of them into 16GB, still using 32 bit. You won't need additional coding to do that. Using more than 3-4GB per process will require such fiddlings.