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From: Skiffle on 28 Feb 2010 00:30
If there is this much uncertainty, and apparently there is after reading the
previous threads, then Microsoft should be more specific.

Then again, there are those that would disagree with *my* remark above (i.e.
there is no uncertainty, it is clear).

Skiffle

"Percival P. Cassidy" <Nobody(a)NotMyISP.net> wrote in message
news:hma52g$ol$1(a)news.eternal-september.org...
>I was just reading the XP Home EULA and noticed that it said it was
>permitted to be used on a single CPU. Since a multi-core processor is
>technically a collection of CPUs -- even if in a single package -- and is
>recognized as such by the OS, has Microsoft ever claimed that it is illegal
>to use XP Home on such a machine?
>
> And I think I read that even XP Pro is licensed for use only on two CPUs.
>
> Perce
>

From: VanguardLH on 28 Feb 2010 04:57
Skiffle wrote:

> If there is this much uncertainty, and apparently there is after reading the
> previous threads, then Microsoft should be more specific.

The EULAs were written before the prevalent use use of multi-core
processors. Hell, they were written before dual-core processors were even
available. Just how could they write a EULA to encompass technology that
did not yet exist? Remember that Windows XP was released back in 2001. How
many users have motherboards or hosts that even supported dual-core
processors back then? None.

IBM came out with its dual-core Power4 RISC processor in 2001. AMD's
dual-core showed in 2005 and Intel's in 2006. How would a EULA written back
in 2001 encompass hardware changes made 4, or more, years later?
From: DG on 28 Feb 2010 08:42
"Percival P. Cassidy" <Nobody(a)NotMyISP.net> �crivait news:hma52g$ol$1
@news.eternal-september.org:

> I was just reading the XP Home EULA and noticed that it said it was
> permitted to be used on a single CPU. Since a multi-core processor is
> technically a collection of CPUs -- even if in a single package -- and
> is recognized as such by the OS, has Microsoft ever claimed that it is
> illegal to use XP Home on such a machine?
>
> And I think I read that even XP Pro is licensed for use only on two CPUs.
>
> Perce
>

Personnally, I don't ask myself hypothetical question like that. If Windows
installs and ACTIVATES, I'm good to go. My P4 shows 2 processors under
device manager in XP Home, and my Core2Quad shows 4 in Windows7 HOME
Premium, I paid for them and they both activated, so I am entitled to use
them.

Activation process should check these kind of things, if it doesn't, it's
not my problem; and my XP Home machine has been checked many times by WGA,
so...

Of course one computer-one license and OEM licenses die with the first
computer on which they're installed.
From: Leythos on 28 Feb 2010 10:52
In article <hma52g$ol$1(a)news.eternal-september.org>, Nobody(a)NotMyISP.net
says...
> I was just reading the XP Home EULA and noticed that it said it was
> permitted to be used on a single CPU.
>

Microsoft has been clear on this:

A CPU is a single physical CPU device. It doesn't matter if it has
2000000 cores, it's still a single CPU.

--
You can't trust your best friends, your five senses, only the little
voice inside you that most civilians don't even hear -- Listen to that.
Trust yourself.
spam999free(a)rrohio.com (remove 999 for proper email address)
From: John John - MVP on 28 Feb 2010 11:51
Leythos wrote:
> In article <hma52g$ol$1(a)news.eternal-september.org>, Nobody(a)NotMyISP.net
> says...
>> I was just reading the XP Home EULA and noticed that it said it was
>> permitted to be used on a single CPU.
>>
>
> Microsoft has been clear on this:
>
> A CPU is a single physical CPU device. It doesn't matter if it has
> 2000000 cores, it's still a single CPU.

Exactly. And Microsoft made it perfectly clear many years ago that per
processor licensing was unaffected by multi-core processors:


Licensing Microsoft Software on Multicore Processors

On October 19, 2004, Microsoft announced that its server software that
is currently licensed on a per-processor model will continue to be
licensed on a per-processor, and not on a per-core, model. This policy
enables customers to recognize more performance and power from Microsoft
software on a multicore processor system without incurring additional
software licensing fees.

http://www.microsoft.com/licensing/about-licensing/multicore-processor-licensing.aspx

John
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