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BL c-class memory

 
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Jacky Wing
Regular Advisor

BL c-class memory

Hello,

I have many Bl c-class servers, all of them have the AMD Optheron CPU, as I understand this CPU is 32 bit. now some of these servers have up to 12 GB memory. In windows server 2003 I only see 4 GB.

1- is it possible to install windows server 2003 64 bit on a 32 bit architecture?

2-should I use the /PAE switch to be able to address the 12 GB memory. because I read that this is an intel command. Is it applicable for AMD also?
7 REPLIES
Víctor Cespón
Honored Contributor

Re: BL c-class memory

Check this advisory:

http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?lang=en&cc=us&taskId=110&prodSeriesId=1842750&prodTypeId=15351&prodSeriesId=1842750&objectID=c00883105

c-Class blades with AMD processors use AMD Opteron processor Model 22xx.
AMD Opteron 2200 series processors are 64-bit, dual-core, and support AMD Virtualization

Windows 2003 Standard only supports 4 GB in 32 Bits (16 GB in 64-bit version).

http://msdn2.microsoft.com/en-us/library/aa366778.aspx
James ~ Happy Dude
Honored Contributor

Re: BL c-class memory

1-Yes.
2-Yes.

PAE works for processors mainly from intel,.. but also AMD processors(not all)

Regards.
Jacky Wing
Regular Advisor

Re: BL c-class memory

I have two types of c-class blades. One of them uses the 2218 AMD processor and the others use the 8216 AMD processor. I checked in AMD and in HP it is not listed as 64 bit.

Are you sure they are 64 bit?

If not can I use the /PAE with AMD processor?

So you are saying that installing a 64 bit OS will solve my problem
James ~ Happy Dude
Honored Contributor

Re: BL c-class memory

>If not can I use the /PAE with AMD processor?
Yes.

>So you are saying that installing a 64 bit OS will solve my problem.
It can... but 32 bit will also work... with PAE.

Regards.
Víctor Cespón
Honored Contributor
Solution

Re: BL c-class memory

Where did you find that the 82xx opterons do not support 64 bit?
Check here:

http://products.amd.com/en-us/OpteronCPUDetail.aspx?id=284

http://h18004.www1.hp.com/products/quickspecs/12576_div/12576_div.html

AMD Opteron 8200 series processors are 64-bit, dual-core, and support AMD Virtualization
Jacky Wing
Regular Advisor

Re: BL c-class memory

right on the money vcespon. Thank you!!, I also checked in the BL465c training I have that this is an AMD64.

Thx guys.
rick jones
Honored Contributor

Re: BL c-class memory

One of the main points AMD pushed about the *Opterons* from day one was the support for 64-bit virtual addressing. It has been that way long enough that some writeups may just take that knowledge for granted.
there is no rest for the wicked yet the virtuous have no pillows