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Configuring the Intel Graphics Media Accelerator 900-950 for Linux

Created by: Bill Giannikos,Last modification on Tue 28 of Aug, 2007 [10:48 UTC]by Anonymous


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Author

Bill Giannikos (bill2 at giannikos.com.au)
www.billgiannikos.com

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Introduction

This guide will help you configure the Intel Graphics Media Accelerator 900 and 950 graphics chips for Linux. With modern Linux distributions it should be able to automatically configure this graphics card but some users may have problems with incorrect resolutions. We will explain how to fix this issue here.

Notes

Before following the guide here, follow your distributions normal procedure on configuring graphics cards. On many systems it is not necessary to use the 915resolution tool described here.

The 915resolution program described below does not make permanent changes to your computer, all settings you change using this are lost after a reboot.

This guide will recommend using 915resolution to change the mode at 3c which normally (but not always) is 1400x1050 8bit. If you follow this you will no longer be able to use the 1400x1050 8bit resolution. Normally this is fine, but you can run the following command to list the modes available to you and select whichever one you would like to overwrite.
915resolution -l

Configuration with 915resolution

CentOS/Red Hat Enterprise Linux 5.0

The 915resolution tool is not included with CentOS/Red Hat Enterprise Linux 5.0 so we will need to use a 3rd party repository. Here we will be using the ATrpms repository.

If you are not currently using the ATrpms repository then, as root, add the following lines to the bottom of your /etc/yum.conf file:
[atrpms]
name=CentOS $releasever - $basearch - ATrpms
baseurl=http://dl.atrpms.net/el$releasever-$basearch/atrpms/stable
gpgkey=http://ATrpms.net/RPM-GPG-KEY.atrpms
gpgcheck=1

Then execute the following command:
yum install 915resolution

Now you will need to configure the settings to match your monitor's native resolution. Edit the /etc/sysconfig/915resolution file with your favourite editor. You can use the following command:
nano -w /etc/sysconfig/915resolution

Change the contents of this file to match below, changing the resolution to match your display's resolution:
RESOLUTION="3c 1280 800"

Finally we need to ensure this program is launched on startup by execute the following:
chkconfig --add 915resolution
chkconfig 915resolution on

Reboot your system and you should now be able to use the resolution you entered.

Debian GNU/Linux 4.0 (Etch)

First, as root, install 915resolution with the following command:
apt-get install 915resolution

Now you will need to configure the settings to match your monitor's native resolution. Edit the file /etc/default/915resolution with your favourite editor. You can use this line below to launch the editor:
gedit /etc/default/915resolution

Change the contents of this file to match below, changing the XRESO and YRESO to match your display's resolution:
mode=3c
XRESO=1280
YRESO=800
BIT=32

Reboot your system and you should now be able to use the resolution you entered.

Fedora Core 6

The 915resolution tool is not included with Fedora Core 6 so we will need to use a 3rd party repository. Here we will be using the ATrpms repository.

If you are not currently using the ATrpms repository then, as root, add the following lines to the bottom of your /etc/yum.conf file:
[atrpms]
name=Fedora Core $releasever - $basearch - ATrpms
baseurl=http://dl.atrpms.net/fc$releasever-$basearch/atrpms/stable
gpgkey=http://ATrpms.net/RPM-GPG-KEY.atrpms
gpgcheck=1

Then execute the following command:
yum install 915resolution

Now you will need to configure the settings to match your monitor's native resolution. Edit the /etc/sysconfig/915resolution file with your favourite editor. You can use the following command:
nano -w /etc/sysconfig/915resolution

Change the contents of this file to match below, changing the resolution to match your display's resolution:
RESOLUTION="3c 1280 800"

Finally we need to ensure this program is launched on startup by execute the following:
chkconfig --add 915resolution
chkconfig 915resolution on

Reboot your system and you should now be able to use the resolution you entered.

Fedora 7

Unlike Fedora Core 6, Fedora 7 includes the 915resolution tool so there is no need to use a 3rd party repository.

As root, execute the following command:
yum install 915resolution

Now you will need to configure the settings to match your monitor's native resolution. Edit the /etc/sysconfig/915resolution file with your favourite editor. You can use the following command:
nano -w /etc/sysconfig/915resolution

Change the contents of this file to match below, changing the resolution to match your display's resolution:
RESOLUTION="3c 1280 800"

Finally we need to ensure this program is launched on startup by execute the following:
chkconfig --add 915resolution
chkconfig 915resolution on

Reboot your system and you should now be able to use the resolution you entered.

Gentoo Linux 2007.0

The 915resolution tool is only included in the ~arch repository. If you are not using this repository, as root, execute the following line:
echo "sys-apps/915resolution ~x86" >> /etc/portage/package.keywords

or if you are using the 64bit version of Gentoo:
echo "sys-apps/915resolution ~amd64" >> /etc/portage/package.keywords

Next install the 915resolution tool with the following command:
emerge 915resolution

Now you will need to configure the settings to match your monitor's native resolution. Edit the /etc/conf.d/915resolution file with your favourite editor. You can use the following command:
nano -w /etc/conf.d/915resolution

Change the contents of this file to match below, changing the resolution to match your display's resolution:
replace=("3c 1280 800 32")

Finally we need to ensure this program is launched on startup by execute the following:
rc-update add 915resolution boot default

Reboot your system and you should now be able to use the resolution you entered.

Mandriva Linux 2007

Mandriva has a mechanism for automatically calling the 915resolution program when needed. It should not be necessary to do any extra configuration work.

SuSE Linux 10.1

To do.

Ubuntu/KUbuntu/XUbuntu Linux 7.04

First you can try using the newer xorg driver from Intel by executing the following:
sudo apt-get install xserver-xorg-video-intel

And then reboot your computer.

You should now be able to go to System -> Preferences -> Screen Resolution and select the native resolution of your monitor. If not, you will need to use the 915resolution tool. First install 915resolution with the following command:
sudo apt-get install 915resolution

Now you will need to configure the settings to match your monitor's native resolution. Edit the file /etc/default/915resolution with your favourite editor. You can use this line below to launch the editor:
sudo gedit /etc/default/915resolution

Change the contents of this file to match below, changing the XRESO and YRESO to match your display's resolution:
mode=3c
XRESO=1280
YRESO=800
BIT=32

Reboot your system and you should now be able to use the resolution you entered.

Generic Method

To do.

Conclusion

Intel will soon be releasing a updated version of their driver which will mean we will no longer need to use the 915resolution tool, but for now it is relatively painless to use.



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