[iyonix-support] Re: Iyonix hanging (was Re: EtherK not starting up reliably)

In article <4e5d7395b3tim@xxxxxxxxx>,
   Tim Hill <tim@xxxxxxxxx> wrote:
> In article <71416e5d4e.steve@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>, Steve Fryatt
> <lists@xxxxxxxxxxxxxxxxxx> wrote:

> [snip interesting stuff about PSU]

> > All of which is irrelevant if we're quoting "5.06V on a spare
> > connector", as seems to be the standard test around here.  That's why I
> > think the test is totally meaningless.  It may always be true on an
> > unexpanded Iyonix, but I would expect it to change when a second hard
> > disc or similar is fitted (I suppose I could check that, now I've got a
> > second disc fitted; if I get chance, I'll try to remember when I've got
> > the current deadlines out of the way and I can 'afford' to break the
> > machine).

> I can wire a plug, or for that matter an entire theatre, but I am no
> qualified electrician and these (potential) problems with an Iyonix PSU
> leave me puzzled. We have a machine whose processor supposedly gobbles up
> less power than a Plentyhum heater but whose PSU seems incapable of
> delivering its meagre requirements. Is it that there is too little load
> for tolerances to be met? Two hard drives here cause no problems, AFAICT.

> Or are the PSUs a bit on the shoddy side?

I suspect a dodgy component.  Whether that make the PSU shoddy, I don't
know.  It's more likely that the relevant component isn't up to the
specification it came with.

-- 
From KT24 - in "Leafy Surrey"

Using a RISC OS computer running v5.11 

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