Re: Use 3GB or 4GB RAM in 32 bit OS?

In comp.sys.ibm.pc.hardware.misc phil-news-nospam@[EMAIL PROTECTED]
 wrote:
> In comp.sys.ibm.pc.hardware.misc Rat River Cemetary <dead@[EMAIL PROTECTED]
>
wrote:

> | Arno Wagner wrote:
> | 
> |> Interessting. I seem to have 3.46GB with a 640MB video card under
> |> Linux. No idea what I have under Windows.
> |> 
> |> Arno
> | 
> | What other hardware do you have though? I think drivers take up
address 
> | space too. I'm not positive how it works but everything loaded into 
> | memory needs address space?

> The displaced RAM gets mapped above the 4GB line.  A kernel with PAE
mode
> can access all of up to 64GB (and possibly 128GB with a hack).  

Take care though, that this does potentially slows down your system.
I turned it off again, because Opera became quite slow under
certain conditions (high memory load).

> So if you
> have a baord that can do 64GB and you put 64GB in it, you will then be
> back to the problem of losing a sub-GB chunk of memory.  People will be
> whining about this problem a lot in a few years :-)

Yes, very likely ;-)

> See also:
> http://en.wikipedia.org/wiki/Physical_Address_Extension

> -- 
>
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> | Phil Howard KA9WGN (ka9wgn.ham.org)  /  Do not send to the address
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