| Re: What happens with 4Gb RAM under XP?
1) In the 'real world' - No.
2) Neither, the /PAE switch is not used in XP-SP2 and the /3GB switch changes the way the kernel allocates memory to apps and itself and will make pretty much no difference IMO.
3) That depends on what you use your system for. I don't disable mine out of habit, but could probably get away with it. Also some programs have issues with installing / running without a pagefile.
The only changes I usually make to the pagefile are the size / set it to static.
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