I bought DELL Precision 490 with 2 Dual Core Xeons and Windows XP 64 bit.
Some of my programs do not work on this system. I replaced OS with XP 32
bit.
I see in device manager 4 processors. Does it mean that at least with some
programs all of them will be used?
I've read somewhere that XP supports up to 2 processors. Is it about
physical units?

Thank you
vovan

vovan wrote:
> I bought DELL Precision 490 with 2 Dual Core Xeons and Windows XP
> 64 bit. Some of my programs do not work on this system. I replaced
> OS with XP 32 bit.
> I see in device manager 4 processors. Does it mean that at least
> with some programs all of them will be used?
> I've read somewhere that XP supports up to 2 processors. Is it about


Just because the OS can utilize the dual processors, multiple cores means
little to nothing for the applications themselves.

Personally - given what you have - I would have either seen if the
applications that wouldn't run in 64bit had updates to allow them to or I
would have ran a virtual WIndows XP Professional session for those that
won't run in 64-bit.

Windows XP Home supports a single CPU - but as many cores as you can stuff
in that single processor (so Windows XP on a quad-core system will show the
'4 CPUs' in Task Manager - even though that just actually represents the 4
cores of the single processor.) Windows XP Professional supports dual
CPUs - but as many cores as you can stuff in those processors (so Windows XP
Professional on a dual - quad-core system will show the '8 CPUs' in Task
Manager - even though that just actually represents the 4 cores of each of
the processors.)

Applications will utilize them - but not in the optimized way that an
application written to properly utilize them would.

--
Shenan Stanley
MS-MVP
--
How To Ask Questions The Smart Way
http://www.catb.org/~esr/faqs/smart-questions.html

Thank you very much

"Shenan Stanley" <(E-Mail Removed)> wrote in message
news:(E-Mail Removed)...
> vovan wrote:
>> I bought DELL Precision 490 with 2 Dual Core Xeons and Windows XP
>> 64 bit. Some of my programs do not work on this system. I replaced
>> OS with XP 32 bit.
>> I see in device manager 4 processors. Does it mean that at least
>> with some programs all of them will be used?
>> I've read somewhere that XP supports up to 2 processors. Is it about
>
>
> Just because the OS can utilize the dual processors, multiple cores means
> little to nothing for the applications themselves.
>
> Personally - given what you have - I would have either seen if the
> applications that wouldn't run in 64bit had updates to allow them to or I
> would have ran a virtual WIndows XP Professional session for those that
> won't run in 64-bit.
>
> Windows XP Home supports a single CPU - but as many cores as you can stuff
> in that single processor (so Windows XP on a quad-core system will show
> the '4 CPUs' in Task Manager - even though that just actually represents
> the 4 cores of the single processor.) Windows XP Professional supports
> dual CPUs - but as many cores as you can stuff in those processors (so
> Windows XP Professional on a dual - quad-core system will show the '8
> CPUs' in Task Manager - even though that just actually represents the 4
> cores of each of the processors.)
>
> Applications will utilize them - but not in the optimized way that an
> application written to properly utilize them would.
>
> --
> Shenan Stanley
> MS-MVP
> --
> How To Ask Questions The Smart Way
> http://www.catb.org/~esr/faqs/smart-questions.html
>

vovan wrote:
>
> I bought DELL Precision 490 with 2 Dual Core Xeons and Windows XP 64 bit.
> Some of my programs do not work on this system. I replaced OS with XP 32
> bit.
> I see in device manager 4 processors. Does it mean that at least with some
> programs all of them will be used?

Your apps have to be able to use the procesors.

--
http://www.bootdisk.com/