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ML150 G6 Sleep States not available?

 
Teknics
Occasional Visitor

ML150 G6 Sleep States not available?

Hi,

OK, I have a ML150 G6 with two Xeon E5502's and 48G of Ram installed. The machine is currently running Windows 10 64bit and everything is running ok so far!

The issue I have is I cannot get the sleep states (S1, S2, S3, Hibernate, Standby) to become available, I have the following message from "powercfg /a" - "The system firmware does not support this standby state".

Now I've upgraded various firmwares, ILO controllers and have now installed a third party graphics card into the PCIe x16 slot and updated the drivers thinking it was a driver issue however the sleep states remain the same?

I'm aiming to get the machine to go into sleep state S3 and then WOL but I seem to be at an impass.

 

Any thoughts anyone?