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Windows 7: Dual Core Xeon 3.6Ghz Processors

11 Apr 2010   #1

Dual Core Xeon 3.6Ghz Processors

Hello all..

Have a quick ? for you all...

I have installed Windows 7 on my IBM Intellistation machine which has 2 Intel 3.6Ghz Dual Core Xeon Processors. Here's my question...

In Device Mangler, it shows Processors>Intel(R) Xeon(TM) CPU 3.60Ghz x 4. When I check Task Manager, it shows me the utilization of two processors.

Is this correct!? Should TM show 4 boxes instead of two!? Or is Windows 7 seeing everything okay?!

Thanks in advance!

My System SpecsSystem Spec

11 Apr 2010   #2

Windows 7 Pro X64 SP1

Which version of Win7 do you have?

It's not easy to find the information, but apparently you need Professional or Ultimate to use two physical sockets. Home Premium only supports one.
My System SpecsSystem Spec
11 Apr 2010   #3


I forgot to include that.. My apologies...

I have Windows 7 Home Premium x64.


Am I REALLY going to benefit from upgrading from Home Premium to Professional in order to utilize the processors!?
My System SpecsSystem Spec

15 Jul 2010   #4

Win2K, WinXp, WinVista, Mandriva- & Ubuntu- Linux
IBM Intellistation with 2 x 3.6GHz Xeon

Physically there are 2 processors (cores). However if "hyperthreading" is enabled then these 2 may sometimes show up as 4.
I see the difference on my machine (running Ubuntu) when enabling/disabling hyperthreading.
Hyperthreading is enabled / disabled in the computer's BIOS
My System SpecsSystem Spec
15 Jul 2010   #5

Windows 7 Ultimate x64

You cannot take advantage of 2 physical CPU chips with Home Premium. You have to be on Professional, Enterprise or Ultimate to utilize both physical CPU's.
My System SpecsSystem Spec

 Dual Core Xeon 3.6Ghz Processors

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