3-20 Linux Setup and OperationConfiguring the video modeThis section describes how to configure the video mode for this device.1. Open /etc/X11/xorg.conf as a root user by using an editor.IMPORTANT:xorg.conf is a very important file for the X server system. It is recommended to create abackup because corrupting xorg.conf can result in failure to start up the X server in theworst case scenario. When you make a backup, use a different file name for the backupsince the file name /etc/X11/xorg.conf.backup is used by the system.2. Modify the following configuration in xorg.conf.Enter the value you want to configure in (1)’s ModeLine in the (2)’s Modes line.Change the value indicated by (3) to the number of colors you want (8bpp, 16bpp or 24bpp).If you have chosen 24bpp, delete # at the top of the line indicated by (4). (If you have chosen8bpp or 16bpp, make sure the line starts with #. If there is no #, enter it.)3. If the X server is started, shut down the server by entering ’init 3’ in a command line.4. The mode is switched to the console mode (CUI), and then, start up the X server by entering ’init5’ in a command line.(3)(2)(4)(1)
