On Tue, Mar 17, 2009 at 11:17:47AM +0100, Laurent GUERBY wrote:
> > > just seen your SheevaPlug blog entry
> > > http://www.cyrius.com/journal/debian/kirkwood/sheevaplug/nslu2-killer
> > >
> > > Do you have meassured power consumption numbers for the SheevaPlug vs nslu2?
> > No, unfortunately I don't have the equipment to measure power
> > consumption.
> Here is what I measured with an Energy Monitor 3000, SheevaPlug on 220V:
> 3.1W just on, Linux booted
> 3.3W serial
> 4.3W serial + ethernet
> 6.0W serial + ethernet + USB HDD
> 7.0W serial + ethernet + USB HDD + 100% cpu
There's currently no clock gating / power management implemented at
all in the upstream kernel, so it's likely these can be reduced a bit
more by e.g. disabling the PCIe MAC/PHY and/or the SATA MACs/PHYs.