Port-amd64 archive

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]

Re: cpuctl on Quad Core Xeon?

On Mon, Nov 24, 2008 at 07:05:32PM +0100, Joerg Sonnenberger wrote:
> On Mon, Nov 24, 2008 at 06:59:16PM +0100, Urban Boquist wrote:
> > Intel is not calling this cpu a Pentium III, right? So why should
> > cpuctl do so?
> Intel is reusing the family/model ID of the Pentium III. That's why
> cpuctl tells you what it does.

One problem is that Xeon is a marketting name for certain pieces
of silicon that don't really differ from the pentuim equivalent.

> > Even if it happens to be family 6 and model 7, surely there is some
> > other way to get more information out of it? Or where is this line
> > coming from?
> > 
> > cpu0: "Intel(R) Xeon(R) CPU           X3360  @ 2.83GHz"
> That's a literal string encoding in a bunch of registers.

And written to those registers by the system BIOS based on information
provided by intel and cpu strapping info.


David Laight: david%l8s.co.uk@localhost

Home | Main Index | Thread Index | Old Index