[ltp] Very dead looking R40

Christopher Sawtell linux-thinkpad@linux-thinkpad.org
Tue, 05 Jul 2005 11:20:06 +1200


On Tue, 05 Jul 2005 11:06, Eben King wrote:
> On Tue, 5 Jul 2005, Christopher Sawtell wrote:
> > On Tue, 05 Jul 2005 06:46, Tony Whitmore wrote:
> > > Not Linux related, but we have our fair share of hardware questions on
> > > this list too. My R40 appears to have died totally.
> >
> > [ ... ]
> >
> > > Is there anything else I can try?
> >
> > Check that the power supply is working correctly.
> > A voltmeter should see approximately 16 volts.
> > The centre conductor in the plug is positive.
> >
> > Too low a voltage would explain the non-working R40, otoh if the voltage
> > is a lot higher than 16 this could have damagee the machine.
>
> Under load or unloaded?
No load.

> Or is the supply regulated so it doesn't change 
> much regardless of the load?
Yes, but notice use of word "approximately".

--
C. S.