> > ----------
> > From: 	David Woyciesjes
> > Sent: 	Thursday, April 13, 2000 2:01 PM
> > Subject: 	Multia FAQ... heating problem...
> > 
> > Tim Rightnour---
> > 	You mention replacing the fan in the Multia, with a stronger one.
> > (http://www.netbsd.org/Ports/alpha/multiafaq.html#overheat ) Has anyone
> > tried cutting off the little resistor that's connected to it?
> > 	I replaced the fan in one of mine. I'm starting to get the other
> > Multia going, which made me curious as to what the little red thing on the
> > fan did. So I clipped it off of the extra OEM fan, while it was connected
> > to the power supply.  When I did, the fan output must have at least double
> > or tripled in flow! I'm gonna let it sit and keep running for now (the
> > mother board is disconnected) to see what happens next. Apparently that
> > little red thing is a resistor which slows down the fan for some odd
> > reason... Do you know anything more about this?

The little red thing is a thermistor.  It is supposed to make the fan
run faster when the temperature gets higher and more air flow is needed.
Possibly there was some error in the circuit design.

    carl

-- 
        carl lowenstein         marine physical lab     u.c. san diego
        {decvax|ucbvax} !ucsd!mpl!cdl                 cdl@mpl.ucsd.edu
                                                  clowenstein@ucsd.edu