Date: Tue, 16 Nov 2004 15:19:06 +1030 From: "Wilkinson, Alex" <alex.wilkinson@dsto.defence.gov.au> To: freebsd-current@freebsd.org Subject: Re: Detection of HTT Message-ID: <20041116044906.GC57615@squash.dsto.defence.gov.au> In-Reply-To: <41998127.5090506@freebsd.org> References: <200411160308.10451.michaelnottebrock@gmx.net> <20041116022926.GB57056@squash.dsto.defence.gov.au> <20041115.204608.13771454.imp@bsdimp.com> <41998127.5090506@freebsd.org>
next in thread | previous in thread | raw e-mail | index | archive | help
Cool, thanks Scott. Question: What is an MSR ? [I'm suspecting the R is 'Register']. - aW 0n Mon, Nov 15, 2004 at 09:25:11PM -0700, Scott Long wrote: 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
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20041116044906.GC57615>