RE: Powering a remote wake up switch from automation PC

["Hawes,Timothy Edward \(GEG\)" <haweste@xxxxxxxxxxxxxxx>]

Simon,

Could you send the automation PC a 'magic' wake-on-LAN packet instead of
starting it via the power button?

HTH,

Tim.

> -----Original Message-----
> From: Simon Ryley
>
> I'm fitting an embedded micro with a webserver to my
> automation pc to allow me to wake up the automation pc
> remotely from standby.
>
> For power saving reasons, the pc is normally in S3 standby,
> and wakes up through scheduled tasks when things need to be done.
>
> I'd like to be able to wake it up remotely over the web when
> I want to do maintenance on it, so I'm fitting a micro
> connected to the power switch to bring the machine out of standby.
>
> The micro needs a regulated 5v or a unreg 12v supply to run.
> As an elegant solution, as it is fitted inside the pc
> chassis, I'd like to power it from the PC ATX power supply.
> Problem is when the machine is in Standby, all the fans,
> drives etc are turned off.
>
> Does anyone know a source of permanent 12v or 5v from the PC
> power supply that I can use to power the micro?  I've
> measured the standby 5v on the USB port, and it seems to be
> more like 6v so isn't suitable.
>
> Thanks,
>
> Simon