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Monday 25 May 2009

Linux DSDT information for Benq Joybook S42

The Benq Joybook S42 is another laptop with hybrid graphics configuration, featuring a intel graphics card + nvidia GeForce 9600M GT. The Joybook S42 Linux DSDT table information for this laptop has now been reported, in another example of the Nvidia hybrid graphics laptops configuration.
If  you have a computer with a hybrid graphics card, please submit your
DSDT.dsl information as an attachment to this bug report:
http://bugs.launchpad.net/bugs/312756

To compile your DSDT information, install if you haven't already the acpidump and iasl tools:
sudo apt-get install acpidump iasl
You can check the model and generation of you laptop with this command:
sudo dmidecode -s system-product-name

Then run the following commands:

sudo acpidump > acpidump.txt
sudo acpixtract acpidump.txt
iasl -d DSDT.dat

This
will create a DSDT.dsl file that you can attach to the bug report. This
information will allow the developers to fully implement the hybrid
graphics features for Linux.

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