On Mon, Apr 19, 2010 at 12:34 PM, John Baldwin <j...@freebsd.org> wrote:
> On Sunday 18 April 2010 4:52:33 am Andreas Nilsson wrote: > > Hello, > > > > my new laptop has a core-i7 620m and I expected it to have support for > > C3-state. > > sysctl dev.cpu.0 > > dev.cpu.0.%desc: ACPI CPU > > dev.cpu.0.%driver: cpu > > dev.cpu.0.%location: handle=\_PR_.CPU0 > > dev.cpu.0.%pnpinfo: _HID=none _UID=0 > > dev.cpu.0.%parent: acpi0 > > dev.cpu.0.freq: 149 > > dev.cpu.0.freq_levels: 2667/25000 2533/23710 2399/22465 2266/21243 > > 2133/20027 1999/18852 1866/17700 1733/16571 1599/15478 1466/14395 > 1333/13334 > > 1199/12297 1049/10759 899/9222 749/7685 599/6148 449/4611 299/3074 > 149/1537 > > dev.cpu.0.cx_supported: C1/3 C2/245 > > dev.cpu.0.cx_lowest: C2 > > dev.cpu.0.cx_usage: 100.00% 0.00% last 500us > > > > I've never seen it acutally use even C2. Are lower C-states not supported > > yet for the core i7 cpus? > > I have used C3 on i7 CPUs. I would check your BIOS options perhaps. Note > that in the BIOS what shows up as "C3" to ACPI may be called "C6/C7". > > -- > John Baldwin > Ok, thanks. I'll blame it on the bios then and hope that the next update fixes those issues :) I just hope that Lenovo ships an update soon. andrnils _______________________________________________ freebsd-acpi@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-acpi To unsubscribe, send any mail to "freebsd-acpi-unsubscr...@freebsd.org"
