how to enable auto power off

[Charles Howse]

> In your kernel config:
> device          apm0    at nexus? flags 0x20
> 
> Add to rc.conf (before you boot the new kernel):
> apm_enable="yes"
> 
> Now to power off, use 'shutdown -p now'. See also apm(4).
> 
> ----- Original Message ----- 
> From: "Tadimeti Keshav" <keshav_tadimeti at yahoo.co.uk>
> To: <freebsd-questions at freebsd.org>
> Sent: Wednesday, September 17, 2003 8:33 PM
> Subject: how to enable auto power off
> 
> 
> > Guys,
> > I have a D815EPEA intel based motherboard. My
> > dual-boot Redhat 9.0 setup can automatically shutdown
> > and power off. But freeBSD can't do that (yet).
> >
> > Are there any flags I need to set in rc.conf or what
> > do I need to set to recompile the kernel?
> > I use freeBSD 4.5.
> > THanks

I read man 4 apm and man apm and they both refer to laptops.
I also would like to get auto power-off working on my desktop system.
Will the instructions you gave work for my system?