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Re: Debian RAM supporting.

On Thu,02.Apr.09, 11:32:26, Bret Busby wrote:

>>>> Search for PAE for more info if you are interested.
>>>> Personally, I think you would be better off finding a 64-bit Xeon for
>>>> that machine
>>>> (http://h18000.www1.hp.com/products/quickspecs/12028_div/12028_div.html
>>>> lists it as an option).  PAE is somewhat of a hack IMO, and there are
>>>> known incompatibilities with some operating systems (FreeBSD, Solaris)
>>>> and environments (desktop Windows versions).
>>> Does this mean that if we want to have a computer with 4GB or more of
>>> RAM, that we need to get a computer with a 64 bit CPU?
>> (sorry for not snipping)
>> The only "need" I can find here is:
>>>> If you only have a 32-bit processor, you will need to install and use
>>>> the bigmem kernel after the initial install, which will make use of
>>>> PAE.
>> What seems to be the problem?

> You may not have used snipping, but you appear to have been sniping.

English in not my first language, I'm not sure what you mean here.

> And, prithee, what is the content and meaning of the paragraph that is  
> two paragraphs after the paragraph that you quoted?

The one starting with "Personally, I think..." and ends with enumerating 
compatibility issues with some other OSes?

> Also, I subsequently found, at  
> http://www.acer.com.au/acer/product.do?link=oln23g.redirect&changedAlts=&kcond5e.c2att92=853&CRC=1165838950 
> ,
> "A 64-bit operating system is required to enjoy the ultimate performance 
> of 4 GB memory"

Again, English is not my first language, but "ultimate" in this context 
reminds me of some GNU/Linux users who think recompiling everything will 
noticeably increase their system performance.

> So, does anyone who has something worth saying, know whether a 64 bit  
> CPU and a 64 bit OS, is required to properly use >= 4GB of RAM?

No, it is not *required*. It is a *good idea* for a *new* setup, but the 
benefits of adding more RAM to a computer will, in most cases, outweigh 
the slowdowns introduced by using PAE. Of course, this is all my opinion 
and YMMV.

Maybe if you would give more details about your specific application the 
answers would be more direct.

If you can't explain it simply, you don't understand it well enough.
(Albert Einstein)

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