amd64/160561: no C-states on atom D525

[ultramage]

>Number:         160561
>Category:       amd64
>Synopsis:       no C-states on atom D525
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-amd64
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Thu Sep 08 14:30:09 UTC 2011
>Closed-Date:
>Last-Modified:
>Originator:     ultramage
>Release:        9.0-BETA1
>Organization:
>Environment:
FreeBSD poring 9.0-BETA1 FreeBSD 9.0-BETA1 #0: Wed Aug 24 13:04:39 CEST 2011     umage at poporing:/usr/obj/storage/update/src/sys/PORING  amd64
>Description:
Freebsd HEAD running on the intel atom board I have does not provide C-state power management, all cores run at full power. Bios is updated to latest version.
The motherboard is: http://www.intel.com/cd/products/services/emea/eng/motherboards/desktop/D525MW/overview/453835.htm
>How-To-Repeat:

>Fix:


>Release-Note:
>Audit-Trail:
>Unformatted: