Onboard LAN powered when PC is shutdown
Posted 07 February 2013 - 12:02 PM
Basically when I shut it down, my switch LED turns off for about 2 seconds, then comes on again. If I would kill the PC power (turn PSU off), switch LED would turn off, and will stay off until I start the computer again.
Posted 07 February 2013 - 12:36 PM
Any ATX powered PC (anything built in the last - say - 15 years) would normally behave like that, some BIOSes may allow to NOT power the network card, but normally it is powered when the PC is "off".
Basically an ATX power supply is like having TWO power supplies inside, the "main one" is switched on when you switch the PC ON, the second (very small power one) will always be on as long as it is connected to mains (some but not all have a mechanical switch on the back that allows switching it "really" off).
The network card is normally powered even when the PC is off, to allow the wake on lan, as well most BIOS allow to switch the PC on from a press of a key on the keyboard or a mouse click, so these are also powered.
Posted 07 February 2013 - 09:08 PM
Any chance to disable that, just an FMI.
This post has been edited by Messerschmitt: 07 February 2013 - 09:09 PM
Posted 08 February 2013 - 08:21 AM
Sometimes they get creative with the descriptions, like PME (Power Management Events) or "deep sleep".
Or there is always the wall switch...
Posted 08 February 2013 - 09:56 AM
Every BIOS has it's more or less clear "wording", this is a good overview on WOL (Wake on Lan):
where you can find more possible "keywords".
Posted 10 February 2013 - 01:23 PM
Under BIOS, I have disabled anything that references wake-on-lan.
I don't really have a problem as I can live with it. Thanks for all the info