Currently I have a P4 2.26GHz CPU, I'm about to upgrade to a P4 3.06 GHz (with hyperthreading). Will I have to reinstall Windows XP in order to enable hyperthreading? I've heard a million different stories about this, but I'd like a definitive answer.
If you are just replacing the P4 2.25GHz CPU with the 3.06GHz, then you might not have to re-install. However, you may not get HT working.
If you have to replace the motherboard, when changing to the 3.06GHz, then YES, you will have to re-install. Also, if you have an OEM version of XP, then you will need to buy another copy of XP for the re-install. OEM versions are forever tied to the first motherboard/PC that the software gets installed onto. As per the End-User License Agreement (EULA), OEM versions can not be transferred.
"Dean" <Dean@discussions.microsoft.com> wrote in message news:ECF74364-4639-46EB-90BD-40CD4600405B@microsoft.com...> Currently I have a P4 2.26GHz CPU, I'm about to upgrade to a P4 3.06 GHz> (with hyperthreading). Will I have to reinstall Windows XP in order to > enable> hyperthreading? I've heard a million different stories about this, but I'd> like a definitive answer.
William Vaughn 8 January 2005 03:26:57 [ permanent link ]
Well, I just did this (moved from 2.06GHz to 3.2GHz 800fsb 1MB C2 cache), but I had to change motherboards too (875 to 865 as the 875 did not support the 1MB cache). I did NOT have to reinstall the OS, but it was NOT an OEM install (it was installed from MSDN Universal). I DID have to reactivate though. My IBM laptop also went through a motherboard/CPU change with the same hard drive image and I just had to reregister. In this case it WAS an OEM install version (at least I think so).
-- ____________________________________ William (Bill) Vaughn Author, Mentor, Consultant Microsoft MVP www.betav.com Please reply only to the newsgroup so that others can benefit. This posting is provided "AS IS" with no warranties, and confers no rights. __________________________________
"Yves Leclerc" <yleclercNOSPAM@maysys.com> wrote in message news:OCLa8MN9EHA.4072@TK2MSFTNGP10.phx.gbl...> Here is the simple answer:>
If you are just replacing the P4 2.25GHz CPU with the 3.06GHz, then you > might not have to re-install. However, you may not get HT working.>
If you have to replace the motherboard, when changing to the 3.06GHz, then > YES, you will have to re-install. Also, if you have an OEM version of XP, > then you will need to buy another copy of XP for the re-install. OEM > versions are forever tied to the first motherboard/PC that the software > gets installed onto. As per the End-User License Agreement (EULA), OEM > versions can not be transferred.>
"Dean" <Dean@discussions.microsoft.com> wrote in message > news:ECF74364-4639-46EB-90BD-40CD4600405B@microsoft.com...>> Currently I have a P4 2.26GHz CPU, I'm about to upgrade to a P4 3.06 GHz>> (with hyperthreading). Will I have to reinstall Windows XP in order to >> enable>> hyperthreading? I've heard a million different stories about this, but >> I'd>> like a definitive answer.>
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