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How can I tell if the CPU is Itanium?

 
 
=?Utf-8?B?TGVvbiBLYXRzbmVsc29u?=
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Posts: n/a
 
      09-26-2006
I need to be able to tell (by lookign in the registry) if the machine is
based on an Itanium processor. I really don't need to know if the OS is a 32
or a 64-bit OS or if it si Windows 2000, 2003, XP etc. I just need to know
the processor type. Can someone suggest which registry key I should be
lookign for and what value I should expect for Itanium-based machines?
 
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Charlie Russel - MVP
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      09-26-2006
HKEY_LOCAL_MACHINE\HARDWARE\DESCRIPTION\System\Cen tralProcessor\0

will give you the details of the processor. But you can also tell by the OS.
With Itanium, it will _have_ to be one of the 64-bit Itanium versions.
Unlike the x64 processor, there's no 32-bit native instructions, so you
can't run 32-bit Windows on it. Nor can you run x64 instructions on it
either.


--
Charlie.
http://msmvps.com/xperts64


Leon Katsnelson wrote:
> I need to be able to tell (by lookign in the registry) if the machine is
> based on an Itanium processor. I really don't need to know if the OS is a
> 32 or a 64-bit OS or if it si Windows 2000, 2003, XP etc. I just need to
> know the processor type. Can someone suggest which registry key I should
> be lookign for and what value I should expect for Itanium-based machines?



 
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Darrell Gorter[MSFT]
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      09-27-2006
Hello,
See this article:
888731 How to determine the type of processor that your Windows Server 2003
x64-based computer or your Windows XP Professional x64-based computer uses
http://support.microsoft.com/default...b;EN-US;888731

While the article references x64, it applies to Itanium as well.
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Contro l\Session
Manager\EnvironmentROCESSOR_IDENTIFIER value will tell you.

Thanks,
Darrell Gorter[MSFT]

This posting is provided "AS IS" with no warranties, and confers no rights
--------------------
<From: "Charlie Russel - MVP" <(E-Mail Removed)>
<References: <(E-Mail Removed)>
<Subject: Re: How can I tell if the CPU is Itanium?
<Date: Mon, 25 Sep 2006 22:59:10 -0700
<Lines: 22
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<X-Tomcat-NG: microsoft.public.windows.64bit.general
<
<HKEY_LOCAL_MACHINE\HARDWARE\DESCRIPTION\System\Ce ntralProcessor\0
<
<will give you the details of the processor. But you can also tell by the
OS.
<With Itanium, it will _have_ to be one of the 64-bit Itanium versions.
<Unlike the x64 processor, there's no 32-bit native instructions, so you
<can't run 32-bit Windows on it. Nor can you run x64 instructions on it
<either.
<
<
<--
<Charlie.
<http://msmvps.com/xperts64
<
<
<Leon Katsnelson wrote:
<> I need to be able to tell (by lookign in the registry) if the machine is
<> based on an Itanium processor. I really don't need to know if the OS is a
<> 32 or a 64-bit OS or if it si Windows 2000, 2003, XP etc. I just need to
<> know the processor type. Can someone suggest which registry key I should
<> be lookign for and what value I should expect for Itanium-based
machines?
<
<
<

 
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Charlie Russel - MVP
Guest
Posts: n/a
 
      09-27-2006
I knew there had to be an "official" place to look. Should have searched the
KB first. Thanks, Darrell.

Charlie.
http://msmvps.com/blogs/xperts64

""Darrell Gorter[MSFT]"" <(E-Mail Removed)> wrote in message
news:(E-Mail Removed)...
> Hello,
> See this article:
> 888731 How to determine the type of processor that your Windows Server
> 2003
> x64-based computer or your Windows XP Professional x64-based computer uses
> http://support.microsoft.com/default...b;EN-US;888731
>
> While the article references x64, it applies to Itanium as well.
> HKEY_LOCAL_MACHINE\System\CurrentControlSet\Contro l\Session
> Manager\EnvironmentROCESSOR_IDENTIFIER value will tell you.
>
> Thanks,
> Darrell Gorter[MSFT]
>
> This posting is provided "AS IS" with no warranties, and confers no rights
> --------------------
> <From: "Charlie Russel - MVP" <(E-Mail Removed)>
> <References: <(E-Mail Removed)>
> <Subject: Re: How can I tell if the CPU is Itanium?
> <Date: Mon, 25 Sep 2006 22:59:10 -0700
> <Lines: 22
> <X-Priority: 3
> <X-MSMail-Priority: Normal
> <X-Newsreader: Microsoft Outlook Express 6.00.3790.2725
> <X-MimeOLE: Produced By Microsoft MimeOLE V6.00.3790.2725
> <X-RFC2646: Format=Flowed; Original
> <Message-ID: <(E-Mail Removed)>
> <Newsgroups: microsoft.public.windows.64bit.general
> <NNTP-Posting-Host: crussel.static.uniserve.ca 216.113.200.27
> <Path: TK2MSFTNGXA01.phx.gbl!TK2MSFTNGP01.phx.gbl!TK2MSFT NGP05.phx.gbl
> <Xref: TK2MSFTNGXA01.phx.gbl microsoft.public.windows.64bit.general:40523
> <X-Tomcat-NG: microsoft.public.windows.64bit.general
> <
> <HKEY_LOCAL_MACHINE\HARDWARE\DESCRIPTION\System\Ce ntralProcessor\0
> <
> <will give you the details of the processor. But you can also tell by the
> OS.
> <With Itanium, it will _have_ to be one of the 64-bit Itanium versions.
> <Unlike the x64 processor, there's no 32-bit native instructions, so you
> <can't run 32-bit Windows on it. Nor can you run x64 instructions on it
> <either.
> <
> <
> <--
> <Charlie.
> <http://msmvps.com/xperts64
> <
> <
> <Leon Katsnelson wrote:
> <> I need to be able to tell (by lookign in the registry) if the machine
> is
> <> based on an Itanium processor. I really don't need to know if the OS is
> a
> <> 32 or a 64-bit OS or if it si Windows 2000, 2003, XP etc. I just need
> to
> <> know the processor type. Can someone suggest which registry key I
> should
> <> be lookign for and what value I should expect for Itanium-based
> machines?
> <
> <
> <
>


 
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