Automatic shutdown - ACPI

[Bames_Jond]

I have deactivated ACPI on my computer because I had a problem with stability due to the IRQ sharing. Now my computer wont turn of automatically.
I have heard that AVPM or APM (Advanced Power Management) can make the computer turn of by itself. Can I get it to do it somehow without having to reactivate ACPI? I do need to turn of my machine sinces i sleep right next to it and i got "plenty" of coolers and airflow through it - hence lots of noise!
In short can I get my computer to turn of without ACPI activated?

 

[redstar]

under advanced...when i press the power button

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