[iyonix-support] Re: EtherK not starting up reliably

In article <b53d204f4e.peter@xxxxxxxxxxxxxxxxxxxxxxxxx>,
   Peter Bell <peter@xxxxxxxxxxxxxxxxx> wrote:
> In message <c3cd1a4f4e.jbwork@xxxxxxxxxx>
>           John Ballance <jwb@xxxxxxxxxx> wrote:

> > Hi
> > 
> > In message <18f6f64e4e.peter@xxxxxxxxxxxxxxxxxxxxxxxxx>
> >           Peter Bell <peter@xxxxxxxxxxxxxxxxx> wrote:

>  [Snip]

> > > Okay - fault not currently in evidence, but the 5V reading is 5.08V.
> > > What is the typical/lowest reading you would expect to see on new
> > > device?
> > 
> > power supplies as shipped provide 5.04 to 5.07v (stable, and depending
> > on DMM) under almost all load conditions. A reading of less than 5.00
> > indicates a psu that has ceased to behave in its intended manner....

> Okay - my other DMM reads 5.07V, so it looks as though I don't have any
> problems with the PSU :)

Hmm. I also had a PSU which read a steady 5.08v ... but had problems when
writing to disc ... which were resolved by a new PSU.

Be careful with the logic ... 
   less then 5.00v is bad
   does not mean that 5.07v is good !

Martin

-- 
Martin Avison      using a British Iyonix running RISC OS 5 
                   and the Pluto mail and newsreader
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