ibm-acpi - IBM ThinkPad ACPI Extras Driver

This is a Linux ACPI driver for the IBM ThinkPad laptops. It aims to support various features of these laptops which are accessible through the ACPI framework but not otherwise supported by the generic Linux ACPI drivers.

Features

The features currently supported are the following (see the README for detailed description):

Fn key combinations (hotkey)
Bluetooth enable and disable (bluetooth)
video output switching, expansion control (video)
ThinkLight on and off (light)
limited docking and undocking (dock)
UltraBay eject (bay)
CMOS control (cmos)
LED control (led)
ACPI sounds (beep)
temperature sensors (thermal)
Experimental: embedded controller register dump (ecdump)
LCD brightness control (brightness)
volume control (volume)
Experimental: fan speed, fan enable/disable (fan)

Compatibility

The driver has been tested on the following ThinkPad models:

model hotkey bluetooth video light dock bay cmos led beep thermal ecdump brightness volume fan

570

600e

600x

770e

770x

A20m

A21e

A21m

A21p

A22p

A30

A30p

A31

A31p

G40

G41

R30

R31

R32

R40

R40e

R50

R50e

R50p

R51

T20

T21

T22

T23

T30

T40

T40p

T41

T41p

T42

T42p

X20

X21

X22

X23

X24

X30

X31

X40

Legend: Working Partially working Not working Not supported Not tested

Please submit updates to ibm-acpi@hmh.eng.br

Latest releases

ibm-acpi latest releases are currently available through the sourceforge.net file release download system;
ibm-acpi development releases are available in a public git tree graciously hosted by the repo.or.cz project at http://repo.or.cz/w/linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git.

The ibm-acpi driver is part of the Linux kernel 2.6.10 and later (option CONFIG_ACPI_IBM). The version included in the kernel may be older than the latest release available from this web site.

Older releases are also available.

Interesting links related to this project

model	hotkey	bluetooth	video	light	dock	bay	cmos	led	beep	thermal	ecdump	brightness	volume	fan
570
600e
600x
770e
770x
A20m
A21e
A21m
A21p
A22p
A30
A30p
A31
A31p
G40
G41
R30
R31
R32
R40
R40e
R50
R50e
R50p
R51
T20
T21
T22
T23
T30
T40
T40p
T41
T41p
T42
T42p
X20
X21
X22
X23
X24
X30
X31
X40
Legend: Working Partially working Not working Not supported Not tested