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Windows 2003 R2 Standard with 14GB of RAM

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  #1  
Old 08-03-2008
fmdadmin
 
Posts: n/a
Windows 2003 R2 Standard with 14GB of RAM

Hi All,
Can someone clarify once and for all the memory limit on a w2k3 r2 std
server. I Have seen that with /pae, the memory can be extented to 64gb, but
my system only sees the complete amount at boot up. Once windows is loaded,
it only sees 4GB.
hardware :hp dl380 g5 (recognize all 14GB)
OS : W2K3 R2 Standard SP2 (recognize only 4GB)

Do i have to install Enterprise to fully take advantage of my RAM ?

Many thanks.

Pete.



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  #2  
Old 08-03-2008
Peter Lawton
 
Posts: n/a
Re: Windows 2003 R2 Standard with 14GB of RAM

Yes you need either W2003 Enterprise 32bit or W2003 Standard 64bit to use
more than 4GB RAM

Peter Lawton

"fmdadmin" <fmdadmin@discussions.microsoft.com> wrote in message
news:394E63F1-52C0-44A6-B69A-0F4B42DE48A3@microsoft.com...
> Hi All,
> Can someone clarify once and for all the memory limit on a w2k3 r2 std
> server. I Have seen that with /pae, the memory can be extented to 64gb,
> but
> my system only sees the complete amount at boot up. Once windows is
> loaded,
> it only sees 4GB.
> hardware :hp dl380 g5 (recognize all 14GB)
> OS : W2K3 R2 Standard SP2 (recognize only 4GB)
>
> Do i have to install Enterprise to fully take advantage of my RAM ?
>
> Many thanks.
>
> Pete.
>
>


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  #3  
Old 08-03-2008
fmdadmin
 
Posts: n/a
Re: Windows 2003 R2 Standard with 14GB of RAM

thanks Peter,
does that mean that the /pae is no use in standard edition ??? what about
these articles that says it could be extended to 64GB ?

"Peter Lawton" wrote:

> Yes you need either W2003 Enterprise 32bit or W2003 Standard 64bit to use
> more than 4GB RAM
>
> Peter Lawton
>
> "fmdadmin" <fmdadmin@discussions.microsoft.com> wrote in message
> news:394E63F1-52C0-44A6-B69A-0F4B42DE48A3@microsoft.com...
> > Hi All,
> > Can someone clarify once and for all the memory limit on a w2k3 r2 std
> > server. I Have seen that with /pae, the memory can be extented to 64gb,
> > but
> > my system only sees the complete amount at boot up. Once windows is
> > loaded,
> > it only sees 4GB.
> > hardware :hp dl380 g5 (recognize all 14GB)
> > OS : W2K3 R2 Standard SP2 (recognize only 4GB)
> >
> > Do i have to install Enterprise to fully take advantage of my RAM ?
> >
> > Many thanks.
> >
> > Pete.
> >
> >

>
>

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  #4  
Old 08-03-2008
Peter Lawton
 
Posts: n/a
Re: Windows 2003 R2 Standard with 14GB of RAM

Whatever you do Windows 2003 Standard 32bit will never use more than 4GB RAM

Peter Lawton

"fmdadmin" <fmdadmin@discussions.microsoft.com> wrote in message
news:12F25E02-FF34-4FDD-B7F4-BAA61DDEFA88@microsoft.com...
> thanks Peter,
> does that mean that the /pae is no use in standard edition ??? what about
> these articles that says it could be extended to 64GB ?
>
> "Peter Lawton" wrote:
>
>> Yes you need either W2003 Enterprise 32bit or W2003 Standard 64bit to use
>> more than 4GB RAM
>>
>> Peter Lawton
>>
>> "fmdadmin" <fmdadmin@discussions.microsoft.com> wrote in message
>> news:394E63F1-52C0-44A6-B69A-0F4B42DE48A3@microsoft.com...
>> > Hi All,
>> > Can someone clarify once and for all the memory limit on a w2k3 r2 std
>> > server. I Have seen that with /pae, the memory can be extented to 64gb,
>> > but
>> > my system only sees the complete amount at boot up. Once windows is
>> > loaded,
>> > it only sees 4GB.
>> > hardware :hp dl380 g5 (recognize all 14GB)
>> > OS : W2K3 R2 Standard SP2 (recognize only 4GB)
>> >
>> > Do i have to install Enterprise to fully take advantage of my RAM ?
>> >
>> > Many thanks.
>> >
>> > Pete.
>> >
>> >

>>
>>


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  #5  
Old 10-03-2008
Bruce Sanderson
 
Posts: n/a
Re: Windows 2003 R2 Standard with 14GB of RAM

For additional information you might find section 2.4 Physical Address
Extension at
http://members.shaw.ca/bsanders/Wind...ageFileEtc.htm
useful.

On some hardware, 32 bit Windows will not be able to use all 4 GB of RAM.
Depending on the motherboard chipset, enabling PAE may allow all 4 GB of RAM
to be used.

Also, if the hardware supports Data Execution Prevention (DEP) and it is
enabled, PAE gets enabled by default.

The restriction on the amount of RAM each "edition" can use is a
marketing/licensing thing.

--
Bruce Sanderson
http://members.shaw.ca/bsanders

It is perfectly useless to know the right answer to the wrong question.



"fmdadmin" <fmdadmin@discussions.microsoft.com> wrote in message
news:12F25E02-FF34-4FDD-B7F4-BAA61DDEFA88@microsoft.com...
> thanks Peter,
> does that mean that the /pae is no use in standard edition ??? what about
> these articles that says it could be extended to 64GB ?
>
> "Peter Lawton" wrote:
>
>> Yes you need either W2003 Enterprise 32bit or W2003 Standard 64bit to use
>> more than 4GB RAM
>>
>> Peter Lawton
>>
>> "fmdadmin" <fmdadmin@discussions.microsoft.com> wrote in message
>> news:394E63F1-52C0-44A6-B69A-0F4B42DE48A3@microsoft.com...
>> > Hi All,
>> > Can someone clarify once and for all the memory limit on a w2k3 r2 std
>> > server. I Have seen that with /pae, the memory can be extented to 64gb,
>> > but
>> > my system only sees the complete amount at boot up. Once windows is
>> > loaded,
>> > it only sees 4GB.
>> > hardware :hp dl380 g5 (recognize all 14GB)
>> > OS : W2K3 R2 Standard SP2 (recognize only 4GB)
>> >
>> > Do i have to install Enterprise to fully take advantage of my RAM ?
>> >
>> > Many thanks.
>> >
>> > Pete.
>> >
>> >

>>
>>


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