[ydl-gen] Remote Power Control for G5 w/ YDL ...

[Hal Martin]

Not to steal this thread, but I thought this question looked familiar!

The same question was asked back in June 2008:

Pulled from a discussion about how to do the same on a PowerMac G4. I
don't own an XServe, so your mileage may vary, but it should work.

echo 'server_mode=1' > /proc/pmu/options

-Hal

Kai Staats wrote:
> Joe,
>
>   
>> We have several G5s running YDL in a server room. I would like to be able
>> to turn them on and off remotely as the server room usually cannot be
>> entered. Turning them off remotely is fairly easy but turning them back on
>> is the tricky part as they do not seem to support BOOT-ON-LAN. I found
>> power strips that can be controlled via Ethernet but I cannot figure out
>> how to configure the G5s so they power up when (re-)connected to power.
>>
>> I read that there is a way to change the settings using the Mac O/S but not
>> via nvram (auto-boot). The biggest problem is that these are re-furbished
>> G5s with YDL installed on them and there was no Mac O/S media that came
>> with them.
>>
>> Has anybody been able to set up their G5 Xserve to power on upon power
>> connection using nvram?
>>     
>
> I believe there is a firmware setting for auto-power-on with power, but I need 
> to do some digging --OWEN, do you remember, can this be done?
>
> kai
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