How to save electricity when computer standby?

[joyceliu2010]

How to save electricity when computer standby?

Some good advise? ..........

 

[selfreliance]

Hi there! Good for u being conscious of saving electricity. Well, while your pc standing by, turning off the monitor will score a point. Lol,that's more than easy.

 

[123jack]

The most efficient method is to not have the computer on at all - instead have a dedicated device to remove the power - I think it's called an off "switch" ?
Sorry! I couldn't resist that.

Seriously though - if its mains powered a solid state
switch can remove the power almost entirely and be triggered by anything you like.

If it needs to be on standby specifically - as selfreliance said - make sure the monitor goes off
and the drives spin down. (Anything mechanical always uses the most power)

Depending on what hardware you run and the OS -the CPU should also go to a low power sleep mode.

If you have other peripherals - maybe an external drive or something make sure they go off too.
ANy plug in cards like TV devices should be shut down to stop them "waking" the system unexpectedly as should WiFi and modem connections etc.

Its pretty much common sense stuff - just turn as much of it off as you can and only let one thing wake it up again.


------------------
jack

 

[joyceliu2010]

Hi there! Good for u being conscious of saving electricity. Well, while your pc standing by, turning off the monitor will score a point. Lol,that's more than easy.

Ow, ic .thx.......

 

[selfreliance]

Hi there! Good for u being conscious of saving electricity. Well, while your pc standing by, turning off the monitor will score a point. Lol,that's more than easy.

Ow, ic .thx.......

You also can make changes on the power settings to the effect by pressing the buttons like "Sleep"or "Hibernate". That maybe score a point.

 

[selfreliance]

How to save electricity when computer standby?

Some good advise? ..........

I'd like to share a good post I ever saw and admired:


A typical desktop use about 500W - 600W PSU. Lets take 600W PSU and assume loading at about 80% for most of the time, the power used by desktop is 480W.

A notebook uses 60W - 65W adaptor, the max power will be to charge the battery and run the system. Lets say this notebook is use to replace desktop, so no need to charge battery, use power to run the notebook system alone will take up about 80% of the power. So the notebook will use about 52W.

Therefore using notebook will save about 89% on the power charges as compared to desktop!!!

 

[123jack]

Just for info - the size of the PSU has no effect on the power the PC uses.

In general a PSU should be capable of supplying around twice the power the thing its connected to uses at peak - PC or anything else.
This allows for startup stresses/spikes etc.
(Assuming the manufacturer used decent components in the first place)

For an actual use :

1 Athlon 2.8Ghz PC
1Gbyte ram
4 Hard drives permanently spinning (Total 2.5 GB)
2 of the drives on permanent random seek
1 17 inch 4x3 LCD display
1x stereo speakers (5 watt)
1X Nvidia FX5900XT video card
1 x Hauppauge PCI TV card
1 x 8 way USB adaptor + 2 devices
1 x Hard drive controller card PCI bus
total 6 cooling fans in system inc 3 in PSU
1 x DVD rewriter

Average system power measured at socket on wall - 380W

PSU in use 650 watt. (A 500 would be just fine really)

Dont get carried away by marketing hype. You don't need a nuclear power plant to run a PC.

A laptop is designed to use less power of course.
But you pay more in the first place to get inferiour
performance on an ability per/specific time basis.

jack

 

[antontalok]

while your PC in standby mode. it is saving power. it is still consuming powers though, but less.
only harddrive, processor, RAM are active. but in idle mode. which means less power.

turning off your monitor will help.

or do hibernate for a complete power saving.

 

[emilyralph]

How to save electricity when computer standby?

Some good advise? ..........

Thats really a great question!!!Was thinking of asking it sometime!!!

 

[doitmyself]

The most efficient method is to not have the computer on at all - instead have a dedicated device to remove the power - I think it's called an off "switch" ?
Sorry! I couldn't resist that.

Seriously though - if its mains powered a solid state
switch can remove the power almost entirely and be triggered by anything you like.

If it needs to be on standby specifically - as selfreliance said - make sure the monitor goes off
and the drives spin down. (Anything mechanical always uses the most power)

Depending on what hardware you run and the OS -the CPU should also go to a low power sleep mode.

If you have other peripherals - maybe an external drive or something make sure they go off too.
ANy plug in cards like TV devices should be shut down to stop them "waking" the system unexpectedly as should WiFi and modem connections etc.

Its pretty much common sense stuff - just turn as much of it off as you can and only let one thing wake it up again.


------------------
jack

I think that these are really very helpful tips. digg it.