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Thread: VGA Mode

  1. #1
    Join Date
    Nov 2008
    Beans
    6

    VGA Mode

    Hallo folks,
    I would like to install ubuntu on my old pentium iv with 1.2gb ram.
    Now my question i am only using a standard tv as a monitor (used to watch movies only) the resulution is 640x480 so in windows xp i f8 on boot and select vga modo. is there an option to have ubuntu run with that low resulution???? thats why i thought i ask here first before format my old xp machine

  2. #2
    Join Date
    Nov 2011
    Location
    /dev/root
    Beans
    Hidden!

    Re: VGA Mode

    Ubuntu can manage it, but it also depends on the particular hardware, the monitor/TV, the graphics card/chip and the driver that is selected (normally automatically) to run it. You can check the available graphics resolutions with the terminal window command

    Code:
    xrandr
    640x480 is available on the machine with Ubuntu 12.04 LTS, where I am writing this reply, but I have at least one laptop, where 800x600 is the lowest available resolution (unless you do some special tweaks).

  3. #3
    Join Date
    Mar 2011
    Location
    19th Hole
    Beans
    Hidden!
    Distro
    Ubuntu 14.04 Trusty Tahr

    Re: VGA Mode

    Without more HW info, this is just a shot in the dark, but based on P4 w/ 1.2 GB RAM I would say that your equipment is just barely capable of Ubuntu. You may wish to use Xubuntu or Lubuntu which would give you much better response and stability. Most cards will run 640x480, especially older machines that were originally loaded with XP. Do as sudodus suggests and check with
    Code:
    xrandr
    Do this from a LiveDVD/USB of Xubuntu/Lubuntu so that you don't have to nuke XP just to test.
    Newb: How far must I jump to clear the ledge halfway down?
    Guru: It's bad to jump off cliffs. Let's look at better options.
    Newb: Stop harping about "best practices" and just let me jump.


  4. #4
    Join Date
    Jun 2010
    Location
    London, England
    Beans
    7,510
    Distro
    Ubuntu Development Release

    Re: VGA Mode

    This I think is the problem you are going to face: getting Ubuntu to run at the correct screen resolution. Modern monitors/TV screens have coded in their electronics Extended Display Identification Data (EDID). This data includes the optimum screen resolution and frequencies. Linux sets the screen resolution each time it loads by reading the EDID from the monitor. Linux does not now set the screen resolution from a configuration file. That TV most likely does not have an EDID.

    I would suggest that you may need to edit the Grub boot parameters to include "nomodeset." Then Linux will load without setting a video mode. You may also need to edit the Xserver configuration file to set the screen resolution.

    The correct test is with a live session DVD.

    Regards.
    It is a machine. It is more stupid than we are. It will not stop us from doing stupid things.
    Ubuntu user #33,200. Linux user #530,530


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