acpi HD spin down and CPU sleep

Chris Rees utisoft at
Wed Jun 3 08:09:58 UTC 2009

2009/6/3 Tim Judd <tajudd at>:
> On Tue, Jun 2, 2009 at 11:17 PM, mojo fms <fbsdlilly at> wrote:
>> How would I configure freebsd 7.1 (7.2 upgrade in the future) to sleep the
>> HD's and maybe sleep the CPU after an idle time out?  I am trying to save
>> power and I would like it to wake on network requests and HD needs.  I read
>> the handbook and looked at the acpiconf man page and such but I have not
>> seen anything about doing this really.
>> Thanks
> ataidle in ports for the HDD
> powerd in base for the CPU (if the CPU supports it)

Or, for hard drives, I have in my rc.local

/sbin/atacontrol spindown ad1 3600

from base system.


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