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[OM] Re: [OT] Memory addressing limits for XP

Subject: [OM] Re: [OT] Memory addressing limits for XP
From: "jgettis81@xxxxxxxxxxxxx" <jgettis81@xxxxxxxxxxxxx>
Date: Tue, 27 Mar 2007 05:10:47 -0700
I recently purchased a refurbished computer from  Dell.  When I got it It
had 4gigs here is a quote from the manual on the use of that memory
"Addressing Memory With 4-GB Configurations
Your computer supports a maximum of 4 GB of memory when you use four 1-GB
DIMMs. Current
32-bit operating systems, such as Microsoft® Windows® XP, can use a maximum
of 4 GB of address
space; however, the amount of memory available to the operating system is
less than that installed.
Certain components within the computer require address space in the 4-GB
range. Any address space
reserved for these components cannot be used by computer memory."
Before I went out and got a 64 bit version of Windows to use more I would
read about software and driver support for it.  There does not seem to be
much.
John



>
> The AM2 motherboards I was recommended yesterday can all support up to 
> 8GB or RAM.  My question is can XP and/or applications running on XP 
> exploit that much memory?  I would guess that memory addressing on XP is 
> limited to 32 bit integers but I don't know if that's signed or unsigned.
>
> So, is the application limit 2GB or 4GB?
>
> Is the XP system limit 2GB, 4GB or do they play some tricks to get more?
>
> 



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