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SubjectRe: [discuss] Re: NUMA support for dual core Opteron
On Fri, Jul 15, 2005 at 02:15:21PM -0400, Tom Vier wrote:
> On Thu, Jul 14, 2005 at 09:09:29PM +0200, Andi Kleen wrote:
> > However with 90+W CPUs I would strongly recommend having support
> > for PowerNow! and the old style PST table doesn't support
> > dual core or SMP, so you need ACPI for that anyways.
>
> Do opterons even support powernow? The proc or sysfs control file never
> shows up on mine and the cpu flags don't list it. Then again, neither does
> my athlon64. They're all in 32bit mode.

New enough ones when the BIOS supports it too: yes. Older ones didn't.

-Andi
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