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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