I tried to use my Toshiba laptop for some long term
data logging. Even though I turned off the screen
saver, turned off Hibernate in the control panel, and
went to a secret place in the boot up screen, I
couldn't keep it from ignoring date input after about
12 hours. It was maddening. I switched over to an HP
desktop and all was well.
I've done a number of solar powered low power systems.
Once you know your power consumption, I'll be glad to
size your panel and battery for you.
Pete
--- Larry Conklin  wrote:

> Before you go "bonkers", it is much simpler to turn
> off the hibernate 
> and/or standby functions.  Go to the Windows Control
> Panel and run the 
> power management applet.  From there you can disable
> the hibernate and 
> standby functions and may find other options to help
> control the power 
> drain.
> 
> And, most laptops have a function to direct the
> video output to an 
> external monitor instead of the laptop's display
> panel.  If you do this, 
> you effectively turn off the display panel and save
> the power it 
> consumes.  You can do this without connecting an
> external monitor
> 
> Larry Conklin
> Liverpool, NY
> 
> 
> Stephen Hammond wrote:
> > I don't know if this will be of any help but in a
> past life I worked in
> > the labs at Ziff Publications (PC Magazine and
> Computer Shopper) and we
> > used a "bonker" to keep the system alive during
> battery rundown testing.
> > The bonker was a solenoid with a rubber tip that
> would tap a key to keep
> > the system from going into power saving states
> John described below. 
> > Regards, Steve Hammond 
> > 
> > -----Original Message-----
> > From: psn-l-request@..............
> [mailto:psn-l-request@...............
> > On Behalf Of John or Jan Lahr
> > Sent: Monday, March 19, 2007 11:18 PM
> > To: psn-l@..............
> > Subject: Re: An affordable remote SDR system
> (site) using a Notebook &
> > Solar panel for power.
> > 
> > At 10:12 PM 3/19/2007, you wrote:
> >> Any other suggestions to lower Power
> requirements?
> > 
> > Be sure the CPU doesn't go into a partial sleep
> mode if the keyboard 
> > isn't being used.  This cost us a few trips from
> Fairbanks to  SE 
> > Alaska to figure out a few years ago.
> > 
> > John 
> > 
> > 
> >
>
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