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

Abdullah Ibn Hamad Al-Marri almarrie at gmail.com
Sun Jan 28 16:16:53 UTC 2007


On 1/28/07, Abdullah Ibn Hamad Al-Marri <almarrie at gmail.com> wrote:
> On 1/27/07, Hajimu UMEMOTO <ume at mahoroba.org> wrote:
> > Hi,
> >
> > >>>>> On Sat, 27 Jan 2007 15:21:19 +0000
> > >>>>> "Abdullah Ibn Hamad Al-Marri" <almarrie at gmail.com> said:
> >
> > almarrie> Thank you for your kind prompt to help, but it didn't do the trick.
> >
> > almarrie> Jan 27 15:16:12 DELL root: /etc/rc.d/sysctl: WARNING: sysctl
> > almarrie> hw.acpi.thermal.tz0
> > almarrie>                        .user_override does not exist.
> >
> > It should be hw.acpi.thermal.user_override=1.
> > However, perhaps, it still doesn't work for you.  Your BIOS's thermal
> > zone might not specify _TC1, _TC2 and _TSP correctly.  They are
> > required for passive cooling.  Since, they are not visible through
> > sysctl, you cannot change the values.
> > If it is your case, please try the attached patch.  It adds
> > hw.acpi.thermal.tz0._TC1, hw.acpi.thermal.tz0._TC2 and
> > hw.acpi.thermal.tz0._TSP.
> > Choosing the values is an issue.  For your reference, my laptop
> > (Panasonic Let'snote CF-R4) has _TC1=0, _TC2=12, _TSP=40.
> >
> > Sincerely,
> >
> >
> >
> > --
> > Hajimu UMEMOTO @ Internet Mutual Aid Society Yokohama, Japan
> > ume at mahoroba.org  ume@{,jp.}FreeBSD.org
> > http://www.imasy.org/~ume/
>
> That worked.
>
> DELL# sysctl hw.acpi.thermal.user_override=1
> hw.acpi.thermal.user_override: 0 -> 1
>
> 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_lowest: C1
> hw.acpi.acline: 1
> hw.acpi.battery.life: 100
> hw.acpi.battery.time: -1
> hw.acpi.battery.state: 0
> 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: 1
> hw.acpi.thermal.tz0.temperature: 64.5C
> 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/
>

I noticed one more thing, when I close the panel, and re open the
laptop doesn't wake up, and I have to press the power button to
shutdown it.

I think DELL is the worst brand when it comes to ACPI standards, not
just for FreeBSD, the same problem in the linux as well.

-- 
Regards,

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


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