[wellylug] OT: 4.6V on the 5V rail is indicative of....?

[Peter Jones]

Don't know, I'm pretty ignorant of how SMPS work. As long as the smoke stays
inside, I'm happy :-)

I do know that appliances in our house have a pretty short lifespan, light
bulbs especially, but I would put that down to over voltage, rather than
under.
I took it up with the power co (Energy Direct at the time), they seemed
pretty uninterested, even though I had a printout from the Fluke showing the
peaks and troughs

-----Original Message-----
From: Damon Lynch [mailto:damon at photo.geek.nz]
Sent: Monday, 29 March 2004 10:20 a.m.
To: wellylug at lists.naos.co.nz
Subject: RE: [wellylug] OT: 4.6V on the 5V rail is indicative of....?


On Mon, 2004-03-29 at 08:38, Peter Jones wrote:
> In my experience power supplies are pretty tolerant of mains input level
(my
> own house varies between 210 and 255 as measured with a Fluke power
monitor,
> but the kids PCs keep running (MY pcs, the important ones, live behind a
UPS
> ;-) )

That's interesting.  Do you think it could shorten the life of a PSU if
it is running off 210?

> The power level can only be one of two things, either the PSU is failing
to
> deliver, or something in the PC is pulling the voltage down.
> What is the claimed wattage of the PC, how many devices in the PCs
leeching
> off it?

Please see my reply to Brent, it's nothing significant.

Thanks

Damon


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