23567Re: slug usb controller hurt?
- Apr 8, 2009If the PSU would be ok, a 3,3 ohm resistor would have to dissipate 7,6 Watt, so a 0,25 Watt resistor would reach its end of life very, very soon :-)
I hope you weren't holding the resistor in your hands :-)
--- In firstname.lastname@example.org, SÃ©bastien Lorquet <squalyl@...> wrote:
> Okay, then it's easy, I've another slug at home, with an usb stick too (it
> has been there for more than one year!). I'll try this evening :)
> I'm surprised of this failure. Is there any visual clue the PSU has fried if
> I disassemble it?
> Is it repairable?
> Many thanks.
> PS: rofl, with a colleague we just tried to load the psu with a small value
> resistor and measured the voltage. it was enough powerful to fry a 0.25 watt
> 3.3 ohm resistor ( ^_^ ) but now I get the christmas tree led sequence even
> with no usb device attached :)
> We fried the psu even more :)
> The final anwer will come this evening :)
> Moreover I just grabbed a 3A 5V psu from an old unused device. Just have to
> adapt the right connector :)
> On Wed, Apr 8, 2009 at 4:49 PM, David Given <dg@...> wrote:
> > -----BEGIN PGP SIGNED MESSAGE-----
> > Hash: SHA1
> > SÃ©bastien Lorquet wrote:
> > > when I start with the stick in place, the only thing I get for now is a
> > > led sequence.
> > Yeah, this is similar behaviour I had last year --- PSU failure, AFAICT.
> > (The PSU can't quite handle the extra load of the device and the voltage
> > drops just far enough to deeply confuse the NSLU2's power circuitry.)
> > It's worth trying to find another 5V power supply and seeing if that
> > fixes it.
> > - --
> > David Given
> > dg@...
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