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- Newsgroups: comp.os.ms-windows.misc
- Path: sparky!uunet!timbuk.cray.com!walter.cray.com!pittpa!huot
- From: huot@cray.com (Tom Huot)
- Subject: Re: Should I leave it on?
- Message-ID: <1992Dec16.125248.14218@walter.cray.com>
- Lines: 53
- Nntp-Posting-Host: pittpa-gate.cray.com
- X-Newsreader: TIN [version 1.1 PL7]
- References: <831@blue.cis.pitt.edu>
- Date: 16 Dec 92 12:52:47 CST
-
- chris pilewski (cap@mb5000.anes.upmc.edu) wrote:
- :
- : [ Unrelated text deleted]
- : Your friend is correct. Most "wear and tear" on a fixed disk occurs
- : during power-up.
- :
- : |> Also, does leaving on the cpu use much energy.
- :
- : It uses a fair amount. Look up the wattage of your power supply. It will
- : probably be around 200 watts (similar to leaving on 2 lamps, but nothing
- : like an oven or clothes dryer).
-
- I doubt you are using anywhere near 200 watts of power while the system
- is just sitting there idle. That 200 watts is what is required during
- start up which is much higher than an idle system. Spinning up the hard
- disk probably takes as much power as anything.
-
- :
- : |> Should I quit win3.1 when
- : |> I leave the comp. on for a while (I can't see why, but thought I'd ask
- : |> to be safe)?
- :
- : This is not necessary. Just running Windows (without any programs running)
- : does not increase the system load.
- :
-
- However, file corruption can occur in the case of a power failure.
- Since windows can have many file open at once, the chances are greater
- of losing files.
-
- :
- : Some large scale studies have been done on this general issue. They compared
- : leaving the computer on (cpu and power supply wear, energy consumption ...)
- : vs. shutting the computer off after every use (wear on the disk, etc.).
- : The conclustion that they all came to was that: leaving the computer on is
- : actually the best course of action. Although, the actual cost/year difference
- : was very small.
- :
- : For me, the bottom-line is the disk. I back-up weekly. But, even over that
- : time period, the files that I have on my disk may be of much greater value
- : than the whole PC itself.
- :
-
- I agree with you for the most part. In fact I leave mine on most of the
- time. I do shut mine off when I leave the house due to the slight, but
- "if it happens - expensive" risk of fire. The monitor would be the most
- likely cause of fire. In fact I have heard of this happening.
-
- --
- _____________________________________________________________________________
- Tom Huot
- huot@cray.com
- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-