Messages in this thread | | | Date | Sat, 13 Dec 2003 09:36:54 +0100 | From | Vojtech Pavlik <> | Subject | Re: Increasing HZ (patch for HZ > 1000) |
| |
On Fri, Dec 12, 2003 at 11:45:23PM +0000, Jamie Lokier wrote: > Vojtech Pavlik wrote: > > > > I'd advocate lower HZ. Say, oh I dunno...100? This is better for power > > > > management and also should make the sound go away. > > > > > > Alas, the sound my Toshiba laptop makes when the CPU is busy is the > > > same frequency whatever kernel, and by extension whatever the timer > > > frequency. I guess it must have another cause :/ > > > > If it's when the CPU is busy, then it's the CPU's DC/DC converter. There > > is no way to get rid of the noise without mnodifying the notebook. > > It only does it when the CPU is busy in any low power mode. In > maximum power mode it never makes the noise. It sounds like it's > coming from the speakers (independent of volume control though), but > it might not be. > > Would the DC/DC converter noise be explained by a low quality > capacitor used by the converter?
Yes.
-- Vojtech Pavlik SuSE Labs, SuSE CR - 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/
| |