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Windows XP Home can see only one CPU?

by klajdi2 / September 11, 2010 1:58 AM PDT
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Yes!
by R. Proffitt Forum moderator / September 11, 2010 2:06 AM PDT

But it does support dual core and more.

More than one CPU means those old dual CPU machines. Which you are correct about.

However your very own link writes "Support for two physical central processing units (CPU). (Because the number of CPU cores and Hyper-threading capabilities on modern CPUs are considered to be part of a single physical processor, multicore CPUs are supported using XP Home Edition.)"

But back to multiple CPUs? "Scalable processor support ? up to two-way multi-processor support." That's not supported.

Seems confusing at first but dual core CPUs have always been supported.

Bob

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Dual core
by klajdi2 / September 30, 2010 1:48 AM PDT
In reply to: Yes!

So it can see the 2 CPUs of my Athlon II 250?

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That is what he said ...
by Edward ODaniel / September 30, 2010 4:52 AM PDT
In reply to: Dual core

but you can easily verify this for yourself by opening TaksManager and then the Performance tab. The CPU usage history will be shown for each core just as it was for multi-processor systems. You will also be able to set affinity for processes on the Processes tab by right-clicking the process you want to assign, click Set Affinity, and then click one or more processors.

Notes:
The Set Affinity command on the context menu is available only on multiprocessor computers.

Using the Set Affinity command limits the execution of the program or process to the selected processors and might decrease overall performance.

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