Re: still trouble with the NSLU2

["Rainer H. Rauschenberg" <rainerh@wiwi.uni-frankfurt.de>]

On Mon, 23 Jan 2012, Mark Morgan Lloyd wrote:

> Nicola Bernardini wrote:

> > > You should always check the power supply of the nslu2, I had mor than one
> > > that failed softly, exposing various strange errors.
> > 
> > I see. What should I test?  that  the  nominal  voltage  is  proper  and
> > stable?  However,  if  that  was  the  case,  the  machine  would   fail
> > erratically, I believe, while it appears to fail quite deterministically
> > (upon an apt-get upgrade, for example).
> 
> Basic parameters are DC voltage on load, and AC ripple on load. You'll
> probably need fairly decent test equipment to see the switching frequency.

Or a known good power supply ...