Messages in this thread | | | Date | Tue, 26 Nov 2002 19:41:29 +0000 | From | Dave Jones <> | Subject | Re: A new Athlon 'bug'. |
| |
On Mon, Nov 25, 2002 at 10:34:47PM +0100, Pavel Machek wrote:
> > Very recent Athlons (Model 8 stepping 1 and above) (XPs/MPs and mobiles) > > have an interesting problem. Certain bits in the CLK_CTL register need > > to be programmed differently to those in earlier models. The problem arises > > when people plug these new CPUs into boards running BIOSes that are unaware > > of this fact. > What happens when bit is programed wrongly?
The documentation I have says nothing other than "...platforms are more robust..." with the fix. It's purely a reliability thing, but as it's fiddling with the CPU clock, it's possible that it may *slightly* affect performance too.
Dave
-- | Dave Jones. http://www.codemonkey.org.uk | SuSE Labs - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |