Is there a limit on amount of RAM XP can handle? i have heard that its
4Gb but another friend of mine has different view thats it can handle
more than 4Gb!



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Aamir <Aamir.2rdp0v@no.email.invalid> wrote:

>Is there a limit on amount of RAM XP can handle? i have heard that its
>4Gb but another friend of mine has different view thats it can handle
>more than 4Gb!

You ever hear of Google?

http://tinyurl.com/22ef5s

"Aamir" wrote
>
> Is there a limit on amount of RAM XP can handle? i have heard that its
> 4Gb but another friend of mine has different view thats it can handle
> more than 4Gb!


Standard 32bit XP can handle up to 4GB but not all of that is seen by the
OS, some is used by hardware.
64bit XP can handle up to 128 GB.

--
Rock [MS-MVP User/Shell]

Aamir <Aamir.2rdp0v@no.email.invalid> wrote:

>Is there a limit on amount of RAM XP can handle? i have heard that its
>4Gb but another friend of mine has different view thats it can handle
>more than 4Gb!

Any 32-bit system has an address space of 2**32=4GB. But you won't be
able to see and use the entire 4GB. See
http://members.cox.net/slatteryt/RAM.html for a discussion.

There is a 64-bit version of WinXP, as well as several 64-bit versions
of Vista. These systems can use much more than 4GB RAM, currently
their limit is something like 128GB, I believe. Full 64-bit addressing
would allow vastly more space.

--
Tim Slattery
MS MVP(DTS)
Slattery_T@bls.gov
http://members.cox.net/slatteryt

On Tue, 29 May 2007 22:13:33 -0500, Aamir
<Aamir.2rdp0v@no.email.invalid> wrote:

>
>Is there a limit on amount of RAM XP can handle?


Yes.

> i have heard that its
>4Gb but another friend of mine has different view thats it can handle
>more than 4Gb!



You are both right. 32-bit XP can use up to 4GB, 64-bit XP up to
128GB.

*However*, note that that 4GB number is very misleading. There is a
4GB address space, but some of it is used by hardware devices and
isn't available to Windows. In practice, even if you install 4GB, you
get at most a little over 3GB of usable RAM.

--
Ken Blake, Microsoft MVP Windows - Shell/User
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