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Intel 950 GMA: Resolution of your WideScreen 16:9 with Intel Graphic Chipset for (K)Ubuntu

Posted by thio4linux on October 1, 2007


If you have an Intel Graphic Board and your Ubuntu doesn’t recognoise the right resolution of your WideScreen 16:9…

sudo apt-get install 915resolution

this is a tool to modify the video BIOS of the 800 and 900 series Intel graphics chipsets. This includes the 845G, 55G, and 865G chipsets, as well as 915G, 915GM, and 945G chipsets.

look at the available modality of your video card:
sudo 915resolution -l

you must have an output like this:
ntel 800/900 Series VBIOS Hack : version 0.5.2

Chipset: 945GM
BIOS: TYPE 1
Mode Table Offset: $C0000 + $269
Mode Table Entries: 36

Mode 30 : 640×480, 8 bits/pixel
Mode 32 : 800×600, 8 bits/pixel
Mode 34 : 1024×768, 8 bits/pixel
Mode 38 : 1280×1024, 8 bits/pixel
Mode 3a : 1600×1200, 8 bits/pixel
Mode 3c : 1280×800, 8 bits/pixel
Mode 41 : 640×480, 16 bits/pixel
Mode 43 : 800×600, 16 bits/pixel
Mode 45 : 1024×768, 16 bits/pixel
Mode 49 : 1280×1024, 16 bits/pixel
Mode 4b : 1600×1200, 16 bits/pixel
Mode 4d : 1280×800, 16 bits/pixel
Mode 50 : 640×480, 32 bits/pixel
Mode 52 : 800×600, 32 bits/pixel
Mode 54 : 1024×768, 32 bits/pixel
Mode 58 : 1280×1024, 32 bits/pixel
Mode 5a : 1600×1200, 32 bits/pixel
Mode 5c : 1280×800, 32 bits/pixel

then select your prefer modality: for example if you want 1200×800:
sudo 915resolution 5c 1280 800

then you can see configuration file in /etc/X11/xorg.conf especially in the section Screen where you must find something like this:

Section “Screen”
Identifier “Default Screen”
Device “Generic Video”
Monitor “
Generic Monitor”
DefaultDepth 24
SubSection “Display”
Depth 1
Modes “1280×800”
EndSubSection
SubSection “Display”
Depth 4
Modes “1280×800”
EndSubSection
SubSection “Display”
Depth 8
Modes “1280×800”
EndSubSection
SubSection “Display”
Depth 15
Modes “1280×800”
EndSubSection
SubSection “Display”
Depth 16
Modes “1280×800”
EndSubSection
SubSection “Display”
Depth 24
Modes “1280×800”
EndSubSection
EndSection

If the resolution isn’t the right one or if you to change manually your resolution you have to change the Modes value (in my case “1280×800”). If you notice some problem when you restart look at this part of xorg.conf and delete the Monitor Modes that change your resolution in a wrong way. Before doing any changes it’s always recommended to save the old:

sudo rm old-file new-name

(sudo rm xorg.conf xorg.con_old)

One Response to “Intel 950 GMA: Resolution of your WideScreen 16:9 with Intel Graphic Chipset for (K)Ubuntu”

  1. thank you said

    thank you…

    […]Intel 950 GMA: Resolution of your WideScreen 16:9 with Intel Graphic Chipset for (K)Ubuntu « Thio4linux[…]…

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