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- Newsgroups: comp.os.ms-windows.misc
- Path: sparky!uunet!zaphod.mps.ohio-state.edu!usc!rpi!batcomputer!munnari.oz.au!ariel.ucs.unimelb.EDU.AU!kowari.cpsg.com.au!daavid
- From: daavid@bohra.cpg.oz.au (Daavid Turnbull)
- Subject: Re: Should I leave it on?
- Message-ID: <daavid.724895944@wombaj.kowari.cpsg.com.au>
- Sender: news@kowari.cpsg.com.au (USENET News System)
- Nntp-Posting-Host: wombaj.cpsg.com.au
- Organization: Computer Power Software Group Pty Ltd
- References: <5546.1100.uupcb@satalink.com>
- Date: Sun, 20 Dec 1992 23:59:04 GMT
- Lines: 32
-
- john.will@satalink.com (John Will) writes:
-
-
- >CP>It uses a fair amount. Look up the wattage of your power supply. It will
- >CP>probably be around 200 watts (similar to leaving on 2 lamps, but nothing
- >CP>like an oven or clothes dryer).
-
- >The 200 watts is a maximum power output, that's not what the supply is
- >actually drawing, it depends on the system configuration. If you really
- >want to know what it's using, you either have to calculate all the loads
- >and know the efficiency of the power supply, or do it the easy way and
- >just connect a wattmeter to the input. I've done this, and a fully loaded
- >486DX system with two floppies, 850mb hard drive, DAT tape, CD-ROM, and
- >7 of 8 expansion slots used draws just over 100 watts from the power line,
- >figuring 80% efficiency of the power supply, it's really only using around
- >80 watts. I'm glad it isn't the power supply rating it uses, because this
- >tower has a 375 watt supply!!!
-
- I have not got the manual on the color monitor handy but judging on the
- amount of heat that eminates from it I would have to say that it probably
- draws more power than the box itself. Our computers are left on
- continuously (even the dos boxes are scheduled to kick of jobs though out
- the night) but the monitors are often switched off.
-
- Not only have you got the cost of running the hardware, but you also have
- to cool the room down which also chewws up watts..... there is more to a
- computer system than just the cpu and box :-).
-
- --
- Daavid Turnbull daavid@bohra.cpsg.com.au +61 3 823 0222 (fax) +61 3 824 8068
- CP Software Export Pty Ltd ACN 006 640 133
- 19 Cato Street, Hawthorn, Victoria, Australia, 3123.
-