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From: cement_head on 15 Feb 2010 14:13
Thanks Guys, that answers my question.

Cheers,
CH

"John John - MVP" wrote:

> cement_head wrote:
> > Hello,
> >
> > I have a P4 2.4 GHz non-HyperThreaded CPU on a machine running WindowsXP
> > (SP3; all updates). I am planning on putting in a 3.06 GHz HyperThreaded CPU
> > into the machine (all other hardware will remain identical).
> >
> > I have read that to maximise usuage of the HT CPU, I should re-install
> > WindowsXP to have the MicroSoft WindowsXP Pro SP3 install the proper
> > multithreading kernel.
> >
> > Is this true? Or can I just put the CPU in and reboot? Or...Although the
> > current install wil recognise the HT CPU, to truly maximise the usuage of it,
> > I should in fact do a fresh install so that the multithreading kernel will be
> > promperly complied on install?
> >
> > Any suggestions would be helpful.
>
> All you need to do is enable Hyper-Threading in the BIOS and Windows XP
> will recognize it without you needing to do anything else.
>
> Certainly none of my business but I have to ask what do you intend to
> gain performance wise by doing this upgrade? With all due respect I
> submit to you that at best the gains (if any) will be negligible and
> that at worse your machine might be slower and that you may end up
> disabling HT to improve performance of the machine! Unless a particular
> application vendor instructed you to do this to improve performance with
> their application this upgrade is probably just a waste of time and money.
>
> John
> .
>
From: cement_head on 17 Feb 2010 20:24
Multi-threading, multitasking, video processing, gaming, and being able to do
heavey computational loads and still being able to access my system.

"John John - MVP" wrote:

> cement_head wrote:
> > Hello,
> >
> > I have a P4 2.4 GHz non-HyperThreaded CPU on a machine running WindowsXP
> > (SP3; all updates). I am planning on putting in a 3.06 GHz HyperThreaded CPU
> > into the machine (all other hardware will remain identical).
> >
> > I have read that to maximise usuage of the HT CPU, I should re-install
> > WindowsXP to have the MicroSoft WindowsXP Pro SP3 install the proper
> > multithreading kernel.
> >
> > Is this true? Or can I just put the CPU in and reboot? Or...Although the
> > current install wil recognise the HT CPU, to truly maximise the usuage of it,
> > I should in fact do a fresh install so that the multithreading kernel will be
> > promperly complied on install?
> >
> > Any suggestions would be helpful.
>
> All you need to do is enable Hyper-Threading in the BIOS and Windows XP
> will recognize it without you needing to do anything else.
>
> Certainly none of my business but I have to ask what do you intend to
> gain performance wise by doing this upgrade? With all due respect I
> submit to you that at best the gains (if any) will be negligible and
> that at worse your machine might be slower and that you may end up
> disabling HT to improve performance of the machine! Unless a particular
> application vendor instructed you to do this to improve performance with
> their application this upgrade is probably just a waste of time and money.
>
> John
> .
>
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