[dba-Tech] Power Consumption

DBCfour at aol.com DBCfour at aol.com
Fri Nov 7 09:44:16 CST 2003


Here ya go..

http://www.w9if.net/iweb/cpupower/index.shtml

Donna

In a message dated 11/7/2003 10:34:55 AM Eastern Standard Time, 
bchacc at san.rr.com writes:


> I'm trying to teach the kids a little about electricity conservation - see 
> if we can knock down that electric bill a bit (we pay about $.10 per kwh).  
> I'm going to have them calculate how much it costs to leave various things on 
> per hour.
> 
> So the question is, if a computer has a 300 watt power supply, is it drawing 
> 300 watts all the time?  Does it draw more when it's computing than when 
> it's idling?  What's a good way for them to estimate how much a computer uses if 
> they leave it on overnight? Just the computer, not the monitor.
> 
> Come to think of it, I leave my laser printer on all the time although it 
> has a sleep mode and has to do a warm up if it hasn't printed anything for a 
> while.  Also leave the speakers on - they use one of those little transformers 
> that plugs directly into an outlet.  I suppose they draw minute amounts of 
> power all the time although I never considered them to be major power users.
> 
> TIA
> 
> Rocky
> _______________________________________________



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