[dba-Tech] Power Consumption

Uhh... just teach them that the TELEVISION uses 400 watts and leaving it off
all the time will save a bundle.  Good for the electric bill, good for the
kids.

;-)

Seriously though, the 300 watts is a maximum that can be drawn, not how much
is being used.  How much is really used will be a function of how many hard
drives and the processor type mostly.  Those two things use the most power.

John W. Colby
www.colbyconsulting.com

-----Original Message-----
From: dba-tech-bounces at databaseadvisors.com
[mailto:dba-tech-bounces at databaseadvisors.com]On Behalf Of Rocky Smolin
- Beach Access Software
Sent: Friday, November 07, 2003 10:32 AM
To: dba-tech
Subject: [dba-Tech] Power Consumption


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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