In article <4e5d906c50steve.pampling@xxxxxxxxxxxxx>, Steven Pampling <steve.pampling@xxxxxxxxxxxxx> wrote: > On 28 Aug, charles <charles@xxxxxxxxxxxxxxxxxxxxxxx> wrote: > > In article <4e5d7395b3tim@xxxxxxxxx>, Tim Hill <tim@xxxxxxxxx> wrote: > [Snip] > > > 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. > Actually the issue is one of load levels. The power supplies are built to > supply a specific voltage (plus or minus a certain amount) provided the > load on each of the lines from the supply is within certain limits. [Snip] all perfectly reasonable, but for the PSU to suddenly change its output and to have 2 distinct states (after 2 or 3 years perfect operation) seems like a fault condition to me. -- From KT24 - in "Leafy Surrey" Using a RISC OS computer running v5.11 --- To alter your preferences or leave the group, visit //www.freelists.org/list/iyonix-support Other info via //www.freelists.org/webpage/iyonix-support