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4gb ram and 32bit system - Page 2

post #11 of 17
Quote:
Originally Posted by thedarklordjay View Post
does it all show up? and you sure its not vista 64bit, cos ultimate has both
After Vista SP1, if you have 4GB of RAM it will say 4GB. Mine said 3.5GB before SP1 and 4GB after in 32-bit. I don't know if it uses it or not though.

Maybe it has something to do with PAE? Because with PAE you can have up to 64GB of RAM in a 32-bit OS that will support it, like Vista Ultimate (supports 128GB I think).
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post #12 of 17
Quote:
Originally Posted by REDHAMMER999 View Post
acctually your wrong with 32-bit vista w/ sp1 you can have 4gb of ram!
I should know cos I do have 4gig and sp1 vista ultimate
Actually you're wrong. Windows Vista SP1 has a fix that SHOWS the full actual amount of physical RAM you have if it's more than 3.2GB, but the OS will still only address 3.2-3.5GB of it due to how the overall system memory is mapped out. Showing 4GB now in SP1 is just a superficial fix 'cause people don't like the OS to show they have less RAM than they actually do. But it will only address and use 3.2GB of it (give or take...).
    
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post #13 of 17
Quote:
Originally Posted by guyladouche View Post
Actually you're wrong. Windows Vista SP1 has a fix that SHOWS the full actual amount of physical RAM you have if it's more than 3.2GB, but the OS will still only address 3.2-3.5GB of it due to how the overall system memory is mapped out. Showing 4GB now in SP1 is just a superficial fix 'cause people don't like the OS to show they have less RAM than they actually do. But it will only address and use 3.2GB of it (give or take...).
Yeah, you're right, I just looked at my task manager and it says 3581MB total memory even though the system properties show 4GB.

Also, tomaskir, try right clicking on My Computer and go to properties and see how much it says there, because that system info says you have 4096MB total memory.
Edited by Jacko87 - 5/30/08 at 9:17am
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post #14 of 17
hmm

So can 32bit XP use 4G or not?

I've also heard that the video memory is calculated in that total, reducing the amount of RAM that can be addressed.

I plan on using 32bit Xp for my audio production, and keeping that installation as clean as possible, for optimal performance, as some of my software isn't compatible with 64bit OS. I don't think I will be affected by the total amount of addressable RAM as much as CPU and RAM speed when running heavy proccessing.

I usually only see my usage approach 2-3G when running 10 shadowbane clients or something.
post #15 of 17
Thread Starter 
Alright, there should be all we need here. As i mentioned, before i installed drivers/SP3 and overclocked it wasnt saying Physical adress extension, showed 3.52GB in system properties and task manager as well.

I went through bios and i cant see anything even remotelly connected to memory remapping... I'm lost...
post #16 of 17
Quote:
Originally Posted by OpticWaves View Post
hmm

So can 32bit XP use 4G or not?

I've also heard that the video memory is calculated in that total, reducing the amount of RAM that can be addressed.

I plan on using 32bit Xp for my audio production, and keeping that installation as clean as possible, for optimal performance, as some of my software isn't compatible with 64bit OS. I don't think I will be affected by the total amount of addressable RAM as much as CPU and RAM speed when running heavy proccessing.

I usually only see my usage approach 2-3G when running 10 shadowbane clients or something.
Windows XP 32 bit cannot use (read:address) more than 3.2GB of system RAM, give or take (I believe it will only address something like 3120MB, give or take). So if you have a RAM-intensive program running, you'll never see actual physical RAM usage for that program able to exceed about 3GB. But the deal is you don't want to install only 3GB of RAM 'cause you'd lose dual-channel speed, so having something like 2x2GB or 4x1GB modules is smart (though you're not able to use the full amount of it).
    
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post #17 of 17
Quote:
Originally Posted by thedarklordjay View Post
does it all show up? and you sure its not vista 64bit, cos ultimate has both
it does show 4gb on vista ult 32bit. defo not 8GB tho
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