Messages in this thread | | | Date | Sat, 30 Jul 2005 12:06:58 +0200 | From | Pavel Machek <> | Subject | Re: Power consumption HZ100, HZ250, HZ1000: new numbers |
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Hi!
> I was finally able to get C3 state working. It seems that my BIOS is > leaving USB controllers in an active state(?). Without any USB drivers > loaded, C3 is not possible. With drivers loaded, but no device plugged > in C3 works fine. Kernel is 2.6.13-rc3-mm3 + acpi-sbs. > > With working C3 there are indeed differences: > > Voltage is 16.5 V > > HZ=100: ~460 mA => 7.59 W > HZ=250: ~468 mA => 7.72 W > HZ=1000: ~494 mA => 8.15 W
0.55W difference, wow. And that's 7% difference to overall system consumption. Pavel -- teflon -- maybe it is a trademark, but it should not be. - 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/
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