Date: Fri, 18 Oct 2002 19:22:59 +0800 From: Raymond <[EMAIL PROTECTED]> Subject: Re: [LIB] Music Playback on 100CT
At 02:48 AM 18/10/2002 -0700, you wrote:
Date: Fri, 18 Oct 2002 13:42:45 +0300All tests were done with a standard Win98SE setup with all Toshiba power saving drivers active (ie. hairy lightbulb), no CPU idling and Winamp playing in a loop with full quality (so the CPU and hard drives don't get a chance to sleep) and the screen set to be always on and on full brightness. I spent a weekend performing these tests when I first got my L100 using a variety of settings so I could get some idea of how accurate that battery meter was.
From: Vitaly Pavlenko <[EMAIL PROTECTED]>
Subject: Re: [LIB] Music Playback on 100CT
Raymond!
> (I did a few test runs on how long it'd take to drain the battery on the
> various settings when I first got it and going from full to halfway made
> about 5 minutes difference and from halfway to all throttled back made
> about 1 minute difference).
A bit strange to hear that from you :). How much is 1 minute? What was the lib doing during the test? How much was the CPU power (MIPS, whatever) for each setting?
I always assumed that there was no reason for anything but full power CPU setting if you are using NT/Win2K or Win9x + CPU idling software. That is no reason at all. Am I wrong?
I was surprised with the result as well, it would seem that throttling the CPU back, at least when it's doing something that'll keep it working at a reasonable level continuously, makes no difference. Of course, if one were, say, using text editors and compilers and the like (ie. the CPU will spend a lot of time unoccupied) then perhaps you'd get a bigger difference.
In normal everyday use though I do use CPU idling plus I turn the screen down (and set it to turn off after a while) but even in general use I don't see an awful lot of difference between throttling the CPU and not throttling the CPU so generally I don't bother.
- Raymond
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