Date: Mon, 15 Nov 2004 21:25:11 -0700 From: Scott Long <scottl@freebsd.org> To: "M. Warner Losh" <imp@bsdimp.com> Cc: alex.wilkinson@dsto.defence.gov.au Subject: Re: Detection of HTT Message-ID: <41998127.5090506@freebsd.org> In-Reply-To: <20041115.204608.13771454.imp@bsdimp.com> References: <200411160308.10451.michaelnottebrock@gmx.net> <20041116022926.GB57056@squash.dsto.defence.gov.au> <20041115.204608.13771454.imp@bsdimp.com>
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M. Warner Losh wrote: > In message: <20041116022926.GB57056@squash.dsto.defence.gov.au> > "Wilkinson, Alex" <alex.wilkinson@dsto.defence.gov.au> writes: > : Yes you're right ! This sux ! What the hell is Intel claiming that I have a > : HTT capable CPU, but really I have only 1 core ! > > I seem to recall at the time HTT was introduced that you could put an > HTT into a non-HTT ready mobo. Maybe that's what's happend? > > Warner The HTT flag in the CPUID word only says that the CPU supports the MSRs that tell you how many logical cores are in the CPU. A value of 1 in these registers is perfectly acceptable, and doesn't mean that Intel is ripping you off or that your BIOS is wrong or whatever. This really needs to be made into a FAQ, I guess. Scott
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