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Geek Culture / How much memory does Windows 7 32 Bit support?

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DJ Almix
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Posted: 23rd Sep 2010 04:00
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I'm looking to purchase some new RAM and was wondering how much my OS supported.

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4125
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Posted: 23rd Sep 2010 04:05
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For 32bit OS. 4GB or 3.5GB is the max it will suport.

For 64bit OS. I don't think there is a limit but i think 128GB is the max? But I don't know for sure the limit for 64bit.

Good Luck....

Computer Specs: Intel Core 2 Duo E7400 2.80GHz @ 1066Mhz FSB 3MB Cache, Dual Channel 8192MB DDR2 PC6400 800MHz RAM, XFX Nvidia Geforce 9800 GTX+ 512MB, XFX 780i SLI Motherboard
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DJ Almix
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Posted: 23rd Sep 2010 04:23
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Quote: "4GB or 3.5GB"


Which one?

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Benjamin
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Posted: 23rd Sep 2010 04:24
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It'll be more or less 3GB.
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DJ Almix
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Posted: 23rd Sep 2010 04:29
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Quote: "It'll be more or less 3GB. "


So would you guys say getting a 2GB stick would be worth it? Or do you think getting a 1GB stick would be the same and Windows wouldn't utilize a 2GB stick properly. (I have 2GB right now)

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4125
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Posted: 23rd Sep 2010 04:57 Edited at: 23rd Sep 2010 04:58
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When I mean 3.5GB, sometimes the OS will use the rest for the video card. Even if the card has a GPU on it, altho for most of them it shouldn't do this. In windows 7 system information. It may read your RAM has "4.00GB (3.5GB useable) Etc.

For the most part 4GB is the max for any 32Bit OS (excluding Windows XP, Vista and 7 starter editions which will use 512MB,1GB or 2GB MAX). But most often it will read around 3GB or so. They tend to do this.

Minds you that if you get a 64bit OS and have 4GB+ RAM. This won't make 32bit apps any better. FPS Creator for example will always use 2GB no matter what. Other 32 bit apps will be stuck at 4GB even if you have windows 64 bit.

My suggestion would be to get a 2GB stick. If it does read over 3GB you will know.

Good Luck...

Computer Specs: Intel Core 2 Duo E7400 2.80GHz @ 1066Mhz FSB 3MB Cache, Dual Channel 8192MB DDR2 PC6400 800MHz RAM, XFX Nvidia Geforce 9800 GTX+ 512MB, XFX 780i SLI Motherboard
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Benjamin
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Posted: 23rd Sep 2010 05:14
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Quote: "When I mean 3.5GB, sometimes the OS will use the rest for the video card. Even if the card has a GPU on it, altho for most of them it shouldn't do this."


I think what you're referring to is shared memory, but that's a separate thing entirely. The reason you cannot access all 4GB of RAM is because some of the address space is used for other things (such as addressing video memory). If you have a 1GB graphics card you won't be able to use more than 3GB of system memory.
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4125
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Posted: 23rd Sep 2010 05:43
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Yea thats what I meant. Sorry for the confusion...

Computer Specs: Intel Core 2 Duo E7400 2.80GHz @ 1066Mhz FSB 3MB Cache, Dual Channel 8192MB DDR2 PC6400 800MHz RAM, XFX Nvidia Geforce 9800 GTX+ 512MB, XFX 780i SLI Motherboard
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JoelJ
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Posted: 23rd Sep 2010 06:17
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Quote: "So would you guys say getting a 2GB stick would be worth it? Or do you think getting a 1GB stick would be the same and Windows wouldn't utilize a 2GB stick properly. (I have 2GB right now)"

Yes, put 4gb in it. It'll be well worth it.

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Quik
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Posted: 23rd Sep 2010 14:31
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i ahve 4gb on mine, however 3,75 of it is available for use =3


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David R
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Posted: 23rd Sep 2010 16:17
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Just keep in mind that 3/4GB under 32 bit is an artificial limit imposed by Windows, even with PAE enabled.

Using other OSes + PAE you can address up to about ~64GB of memory, even with a 32 bit machine.

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Indicium
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Posted: 23rd Sep 2010 17:38
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Quote: " This won't make 32bit apps any better."


But it will make running multiple 32-bit apps faster.

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