5598Re: Disabling the fan on a Linkstation
- Oct 5, 2006Thank you, mindbender & KeepIt SimpleStupid! I'll try the
openlink/freelink firmware and avr_evtd solution, but first I've got
to get a fan connected, as the LS won't boot without one. Thanks again!
--- In LinkStation_General@yahoogroups.com, "cherrytreeproduction"
> a question..which LS-model do you have?
> if you have openlink/freelink installed on your box you could install
> avr_evtd instead of ppc_uartd.
> ppc_uartd is the stock avr_evtd daemon and monitors the buttons, the
> fan and how full the hdd is.
> avr_evtd is the opensource variant and was created by lb_worm from
> www.linkstationwiki.net with the kuro_evtd-source as a base.
> with avr_evtd you can simply run the linkstation without a fan if you
> configure it that way.
> here is the link that might be interesting for you:
> look at the variable FANSTOP...it can be set to OFF.
> i am currently thinking of building my own case...and remove the small
> and noisy fan...
> --- In LinkStation_General@yahoogroups.com, KeepIt SimpleStupid
> <keepitsimplestupid@> wrote:
> > Assuming that the fan's tach signal is open collector
> > and it operates off of 5 volts then figure 14 here
> > http://www.national.com/pf/LM/LM555.html + a resistor
> > and an NPN transistor would be all that would be
> > needed. Something like a 2n3904 with a
> > (5V-0.6)/(25E-3/100). 25 mA will put the transistor
> > into saturation and Hfe is about 100 if I remember.
> > This resistor would be about 15K in series with the
> > output of the timer. The emitter would go to ground
> > and the collecter would go to the tach signal. Values
> > aren't critical.
> > Pick R and C such that the frequency is 1 pulse per
> > revolution for starters and/or check the data sheet
> > for the fan.
> > WHat needs to be verified: Fan 5V, Tach signal is open
> > collector. If it's 12, change the 5 in the eqn. to
> > 12.
> > --- "TinyApps.Org" <mail@> wrote:
> > >
> > > Does anyone know how to disable/disconnect the
> > > Linkstation's fan and still
> > > have it boot properly? If there is no fan present,
> > > the Linkstation will
> > > flash the red Diag LED 4 times and then shut down.
> > > But I'd like to run it
> > > without the fan, leaving the case off for
> > > ventilation. Is there a some way
> > > to disable the fan check or fool the Linkstation
> > > into thinking the fan is
> > > working properly?
> > > --
> > > View this message in context:
> > >
> > > Sent from the Buffalo LinkStation mailing list
> > > archive at Nabble.com.
> > >
> > >
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