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Vista - Sleep and its power consuming

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Old 10-07-2008   #1 (permalink)


ultimate x86
 
 

Sleep and its power consuming

Because of the time-consuming booting procedure,I usually use Sleep button to turn off computer.However, this utility still consumes electricity so I fear of my energy bill.So anyone know exact how much electricity that sleep state uses.And if the power was shut suddenly,how can I protect my work and data from losing.?Thanks.

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Old 10-07-2008   #2 (permalink)


Vista Ultimate 32-bit
 
 

Re: Sleep and its power consuming

You might want to take a look at this web page:

Set up S3 sleep state in Vista for significant power savings

And as far as losing your work if there is a power outage, it depends upon whether you use normal sleep or Vista's new "hybrid sleep":

http://windowsitpro.com/article/arti...eep-modes.html

Last edited by LeeTutor; 10-07-2008 at 09:46 AM.. Reason: insert missing link
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Old 10-07-2008   #3 (permalink)
Paul Smith


 
 

Re: Sleep and its power consuming

"daretofail" <guest@xxxxxx-email.com> wrote in message
news:c3ff78efe622a81eb3d2ffdf5e3e4d13@xxxxxx-gateway.com...
Quote:

>
> Because of the time-consuming booting procedure,I usually use Sleep
> button to turn off computer.However, this utility still consumes
> electricity so I fear of my energy bill.So anyone know exact how much
> electricity that sleep state uses.
As long as the machine is in S3 mode, that is all the fans and everything
are off. Only the RAM remains powered on and sometimes the keyboard or
mouse if its setup like that.

Typically a computer in S3 state will only draw 2 or 3 watts. Easily less
than 1 percent the power draw of a machine when its on. In the UK we get
charged about 12p p/kWh. So to run a machine in S3 for the whole year 24/7
would cost about £2, about $4.
Quote:

> And if the power was shut suddenly,how
> can I protect my work and data from losing.?Thanks.
If hybrid sleep is enabled then it will also save the RAM to disk (called
hibernate) when when it goes to sleep. So that if the machine does lose
power it will reload it all from the hard disk when the machine starts,
it'll take a bit longer to boot this way, but the all the data should be
intact.

You can check to make sure hybrid sleep is enabled by going into Power
Options -> Edit plan settings, and then Change advanced power settings.
Then under sleep there should be an option called 'Allow hybrid sleep' as
long as that is set to yes, all the data will be saved to the disk as well
as being left in RAM.

--
Paul Smith,
Yeovil, UK.
Microsoft MVP Windows Shell/User.
http://www.dasmirnov.net/blog/
http://www.windowsresource.net/

*Remove nospam. to reply by e-mail*


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Old 10-07-2008   #4 (permalink)


ultimate x86
 
 

Re: Sleep and its power consuming

thank for your two posting.The advice works very well.And I think Paul Smith is a professional in PC even he is a guest.
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Old 10-07-2008   #5 (permalink)
HeyBub


 
 

Re: Sleep and its power consuming

daretofail wrote:
Quote:

> Because of the time-consuming booting procedure,I usually use Sleep
> button to turn off computer.However, this utility still consumes
> electricity so I fear of my energy bill.So anyone know exact how much
> electricity that sleep state uses.And if the power was shut
> suddenly,how can I protect my work and data from losing.?Thanks.
While useful for other projects, the Kill-A-Watt device will answer your
question exactly.

Here's a bunch on Ebay:
http://shop.ebay.com/?_from=R40&_trk...All-Categories


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Old 10-10-2008   #6 (permalink)
Steve Thackery


 
 

Re: Sleep and its power consuming

I've measured mine and it's 6W.

Interestingly, it's also 6W when it's switched off, so there is no advantage
in switching off for me, and I always use Vista's sleep mode.

Remember, modern PCs have a "soft off" which keeps the PSU and the odd bit
of the mobo powered.

On mine the only way to get it down to zero is to switch it off at the wall.

SteveT

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Old 10-11-2008   #7 (permalink)


Vista Ultimate x64
 
 

Re: Sleep and its power consuming

[quote=Paul Smith;854812]"daretofail"

Typically a computer in S3 state will only draw 2 or 3 watts. Easily less
than 1 percent the power draw of a machine when its on. In the UK we get
charged about 12p p/kWh. So to run a machine in S3 for the whole year 24/7
would cost about £2, about $4.
[quote]

Where do you get < 1 percent? Your computer actually uses like 200-300 Watts?
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