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Back out the fan control changes that were merged in revision 1.2.2.5.

Browse Source 
The necessary changes to the driver haven't been merged yet, which won't
happen before 6.1-RELEASE.

Submitted by:	markus
Approved by:	re (scottl)
This commit is contained in:
Christian Brueffer 2006-04-05 21:40:14 +00:00
parent 907d4d7f45
commit 14e58b2aed
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=157545
1 changed files with 2 additions and 22 deletions
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24
share/man/man4/man4.i386/acpi_ibm.4
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@ -281,28 +281,8 @@ Toggle Bluetooth chip activity.
(read-only)
Indicates whether the WLAN chip is active or not.
.It Va dev.acpi_ibm.0.fan
Indicates whether the fan is in automatic (1) or manual (0) mode.
Default is automatic mode.
This sysctl should be used with extreme precaution, since disabling automatic
fan control might overheat the ThinkPad and lead to permanent damage if the
.Va fan_level
is not set accordingly.
.It Va dev.acpi_ibm.0.fan_level
Indicates at what speed the fan should run when being in manual mode.
Values are ranging from 0 (off) to 7 (max).
The resulting speed differs from model to model.
On a T41p this is as follows:
.Pp
.Bl -tag -width indent-two -compact
.It Li 0
off
.It Li 1, 2
~3000 RPM
.It Li 3, 4, 5
~3600 RPM
.It Li 6, 7
~4300 RPM
.El
(read-only)
Indicates whether the fan is on or off.
.It Va dev.acpi_ibm.0.fan_speed
(read-only)
Fan speed in rounds per minute.