Inspiron 6400 1505e Can't get passive cooling while in AC power

Abdullah Ibn Hamad Al-Marri almarrie at gmail.com
Sat Jan 27 15:21:53 UTC 2007


On 1/25/07, Nate Lawson <nate at root.org> wrote:
> Abdullah Ibn Hamad Al-Marri wrote:
> > On 1/24/07, Bruno Ducrot <ducrot at poupinou.org> wrote:
> >> On Sat, Jan 20, 2007 at 06:07:02PM +0000, Abdullah Al-Marrie wrote:
> >> > Hello,
> >> >
> >> > This laptop has Centrino Duo but I can't get the passive cooling at
> >> all.
> >> >
> >>
> >> Could you please send:
> >> sysctl hw.acpi
> >> please?
> >
> > Bruno,
> >
> > Thanks for your kind prompt to make FreeBSD Mobile and ACPI much better.
> >
> > Here is the output per your request.
> >
> > hw.acpi.thermal.min_runtime: 0
> > hw.acpi.thermal.polling_rate: 10
> > hw.acpi.thermal.user_override: 0
> > hw.acpi.thermal.tz0.temperature: 47.5C
> > hw.acpi.thermal.tz0.active: -1
> > hw.acpi.thermal.tz0.passive_cooling: 0
> > hw.acpi.thermal.tz0.thermal_flags: 0
> > hw.acpi.thermal.tz0._PSV: -1
> > hw.acpi.thermal.tz0._HOT: -1
> > hw.acpi.thermal.tz0._CRT: 126.0C
> > hw.acpi.thermal.tz0._ACx: -1 -1 -1 -1 -1 -1 -1 -1 -1 -1
>
> Your BIOS's thermal zone doesn't specify a temperature setpoint for
> passive cooling (_PSV == -1).  You can manually override it by setting
> one and enabling passive cooling via sysctl.conf:
>
> hw.acpi.thermal.tz0.user_override=1   # Enable override of BIOS values
> hw.acpi.thermal.tz0._PSV=100C         # Override passive setpoint
> hw.acpi.thermal.tz0.passive_cooling=1 # Enable passive cooling
>
> Just be careful what you set _PSV to -- you don't want it higher than
> _CRT (critical temp) for instance.  Once you do manual override, the OS
> will let you set any value you want but it gives a warning.
>
> --
> Nate

Nate,

Thank you for your kind prompt to help, but it didn't do the trick.

Jan 27 15:16:12 DELL root: /etc/rc.d/sysctl: WARNING: sysctl
hw.acpi.thermal.tz0
                       .user_override does not exist.


DELL# sysctl hw.acpi
hw.acpi.supported_sleep_state: S3 S4 S5
hw.acpi.power_button_state: S5
hw.acpi.sleep_button_state: S3
hw.acpi.lid_switch_state: NONE
hw.acpi.standby_state: S1
hw.acpi.suspend_state: S3
hw.acpi.sleep_delay: 1
hw.acpi.s4bios: 1
hw.acpi.verbose: 0
hw.acpi.disable_on_reboot: 0
hw.acpi.handle_reboot: 0
hw.acpi.reset_video: 0
hw.acpi.cpu.cx_supported: C1/1
hw.acpi.cpu.cx_lowest: C1
hw.acpi.cpu.cx_usage: 100.00%
hw.acpi.acline: 1
hw.acpi.battery.life: 77
hw.acpi.battery.time: -1
hw.acpi.battery.state: 2
hw.acpi.battery.units: 1
hw.acpi.battery.info_expire: 5
hw.acpi.thermal.min_runtime: 0
hw.acpi.thermal.polling_rate: 10
hw.acpi.thermal.user_override: 0
hw.acpi.thermal.tz0.temperature: 45.5C
hw.acpi.thermal.tz0.active: -1
hw.acpi.thermal.tz0.passive_cooling: 0
hw.acpi.thermal.tz0.thermal_flags: 0
hw.acpi.thermal.tz0._PSV: -1
hw.acpi.thermal.tz0._HOT: -1
hw.acpi.thermal.tz0._CRT: 126.0C
hw.acpi.thermal.tz0._ACx: -1 -1 -1 -1 -1 -1 -1 -1 -1 -1


-- 
Regards,

-Abdullah Ibn Hamad Al-Marri
Arab Portal
http://www.WeArab.Net/


More information about the freebsd-acpi mailing list