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Overclock.net - Overclocking.net > Software, Programming and Coding > Operating Systems > Windows | |
Windows XP Ram Limit
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03-09-06
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#1 (permalink) | ||||||||||||
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Intel Overclocker
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Windows XP Ram Limit
I know that XP is limited to something like 2.75GB of RAM. Can someone please explain, as detailed, yet simply(that makes no sense, I know) as possible, why this occurs?
__________________Someone is arguing with me that Windows utilizes however much RAM your mobo supports, and I know that he is completely wrong(he's talking about x32). I really need to just beat him down with this, cause I don't really like him. So anyone who can explain this well, please step up to the plate.
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03-09-06
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#2 (permalink) | |||||||||||||
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Custom User Title
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LOL! I think the limity for XP is 3GB... Vista is a difference story!
__________________
Intel Overclocking Guide * Need A New Password? * Dual Core Folding Guide * Intel Memory Guide * Use Vista's UAC * Don't Post News From Fudzilla!
"Rightful liberty is unobstructed action according to our will within limits drawn around us by the equal rights of others." - Thomas Jefferson "If everyone is thinking alike, then somebody isn't thinking." - General George Patton "Make everything as simple as possible, but not simpler" -Albert Einstein
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03-09-06
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#3 (permalink) | ||||||||||||
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Intel Overclocker
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Yep, any idea why 3gb is the limit?
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03-09-06
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#4 (permalink) | ||||||||||||
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Intel Overclocker
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Okay. From what I've found:
__________________32-bit systems support a total of 4gb of RAM. Windows takes this and splits it in half, using 2gb for apps, and 2gb for the kernel. If you add the /3g switch the boot.ini, then it uses 1gb for the kernel, and 3gb for apps. My questions: What does Windows do when I only have one gig of RAM? I don't see it split in half anywhere. Also, doesn't this render that extra 1gb of RAM useless? I mean if the kernel runs fine when I only have 1gb total, why does it need to steal 1gb to itself?
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03-09-06
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#5 (permalink) | ||||||||||||||
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Now Available in Orange
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Quote:
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03-10-06
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#6 (permalink) | |||||||||||||
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Custom User Title
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On my system I use about 450Mb with AIM, FAH, Avast, Desktop Utilities, Microsoft AntiSpyware, RivaTuner, and a ton of FireFox broswers. When I play games (BF2) it goes up to about 1200, so 2GB is great for games. I can't imagine anyone needing more than 2 GB though.
__________________
Intel Overclocking Guide * Need A New Password? * Dual Core Folding Guide * Intel Memory Guide * Use Vista's UAC * Don't Post News From Fudzilla!
"Rightful liberty is unobstructed action according to our will within limits drawn around us by the equal rights of others." - Thomas Jefferson "If everyone is thinking alike, then somebody isn't thinking." - General George Patton "Make everything as simple as possible, but not simpler" -Albert Einstein
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03-10-06
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#7 (permalink) | |||||||||||||
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nVidia Enthusiast
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This is from a post I made in another topic a long time ago. Windows XP Pro supports up to 4 Gigs of RAM. I've included a link below (MSA555223) that gives a really good breakdown of what Windows does with your memory.
Origonal Message from Topic 66772 post #8 Quote:
Microsoft Article 555223 Xaine99
__________________
• Overclock Your Brain • My Verified CPUz • View All My Posts ....................What is a SED Display?! ........• Pinouts to hundreds of devices and slots!
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03-11-06
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#8 (permalink) | |||||||||
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PC Gamer
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4gb is common place in the design industry, i think you can go a bit more. But 64bit doesn't really ahvea limit atm as im aware of, or it might be 1tb i read a while back. But nothing to be concerned with lol
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03-11-06
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#9 (permalink) | |||||||||||||
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Folding Fanatic
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Even though you don't need the 4GB of RAM unless you are a graphics designer or something, it would be cool to have and would give you bragging rights
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Read my FAQ on why your CPU is running slower than rated! "Benchies? I want fps/inch in crysis." -McStuff "O, hai! Want som pRon? Dwnlod ths kodk frst. Its teh bst pRonz ever, we prmis." -GibbyGano
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03-11-06
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#10 (permalink) | |||||||||
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PC Gamer
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i woudlnt mind 4 gig lol.
__________________PLus 2gb gave my firends dad problems so went for 4gig instead lol. He runs auto cad at 1600x1200 over 2 21" TFT's lol And he had a 64bit 4000+ summer last year lol.
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