LinuxQuestions.org - 16/9 aspect ratio

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abby_normal

11-03-2003 12:26 PM

16/9 aspect ratio

The QUESTION: how do I force Linux to a 16/9 aspect ratio with a resolution of 1440x900?

I work on a dual boot XP/Linux RH7.3 Toshiba Satellite P20. The video card is a Geforce FX5200 Go using the Linux NVIDIA-Linux-x86-1.0-4496-pkg2.run driver. I require in Linux, a 1440x900 resolution(16/9), the system defaults to 1024x768(4/3). The /var/log/XF....log file reports "1440x900(no mode of this name)"...."default mode is 1024x768".... The required resolution works fine in XP. All documentation states everything is compatiable.

Thanks Gavin:Pengy:

aaa	11-03-2003 12:38 PM

Look in the /etc/X11/XF86Config file for something like this:

Code:

Section "Screen"

    Identifier  "nvidia1screen"

    Device      "nvidia1"

    Monitor    "iiyama"

    DefaultDepth 24

    Subsection "Display"

        Depth      24

        Modes      "1280x1024" "1152x864" "1024x768" "800x600" "640x480"

        ViewPort    0 0

    EndSubsection

EndSection

Put the resolution you want in the beginning of the list.

abby_normal

11-03-2003 02:21 PM

Thanks for the quick response. Been there, done that, got the tatoo.....
My first entry is/was "1440X900", which produced a "no mode of this name" warning msg.

I guess I should be asking if there is any aspect ratio other than 4:3 and where/how it is defined.

Gavin

aaa	11-03-2003 02:27 PM

Checkout this modeline generator: xtiming.sourceforge.net
Look for this section:

Code:

Section "Monitor"

Identifier "Monitor0"

VendorName "Monitor Vendor"

ModelName "Philips 170W"

DisplaySize 370 220

HorizSync 30.0 - 64.0

VertRefresh 56.0 - 75.0

Option "dpms"

Modeline "1280x768" 108 1280 1328 1440 1688 768 771 777 806 +hsync -vsync

EndSection

Add a modeline like that.

Cerbere

11-03-2003 03:40 PM

Don't know if this is relevant but, mathematically speaking, 1440x900 isn't 16/9, it's 14.4/9.

16/9 would be either 1600x900 or 1440x810.

Enjoy!
--- Cerbere

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