Display Resolution Problem

[Kam Leo]

On Mon, Apr 13, 2009 at 6:14 PM, Kam Leo <kam.leo at gmail.com> wrote:
> On Mon, Apr 13, 2009 at 3:06 PM, Jack Lauman <jlauman at nwcascades.com> wrote:
>> I have a Compaq Presario 2500 (Model No: 2525US)
>>
>> When booting into run level 3 (command line) on Fedora 9 the video occupies
>> less than 2/3 of the total screen. Using startx to launch xwindows works
>> fine and uses the full screen.
>>
>> Is there a way to control the screen size in run level 3?
>>
>> Thanks,
>>
>> Jack
>
> Default runlevel 3 console screen is 80x25 characters.  If you have
> lines of text 132 characters wide then you are at the maximum
> supported, 132x40 characters.
>
> Here is a table of values courtesy of LinuxQuestions.org,
> http://www.linuxquestions.org/blog/archtoad6-147095/2007/12/29/vga-resolution-codes-for-grub-and-lilo-830/
>
>  VGA Resolution Codes for GRUB & Lilo
> --- Depth --
> Colors  bits  640x480  800×600  1024×768  1152×864  1280×1024  1600×1200
>   256    8   vga=769  vga=771   vga=773   vga=353   vga=775    vga=796
>  32000    ?   vga=784  vga=787   vga=790   vga= ?    vga=793    vga= ?
>  65000   16   vga=785  vga=788   vga=791   vga=355   vga=794    vga=798
>  16.7M   24   vga=786  vga=789   vga=792   vga=795   vga=799
>
> Try appending one of the settings ("vga=value") to kernel line in grub
> to optimize viewing the screen.
>

In case decimal does not work the following hexadecimal values are
courtesy of OpenSUSE,
http://en.opensuse.org/SDB:Setting_up_Unsupported_Graphics_Cards_with_the_Framebuffer_Device_(GRUB)
:

 Mode 0x0300: 640x400 (+640), 8 bits
  Mode 0x0301: 640x480 (+640), 8 bits
  Mode 0x0303: 800x600 (+800), 8 bits
  Mode 0x0305: 1024x768 (+1024), 8 bits
  Mode 0x0307: 1280x1024 (+1280), 8 bits
  Mode 0x030e: 320x200 (+640), 16 bits
  Mode 0x030f: 320x200 (+1280), 24 bits
  Mode 0x0311: 640x480 (+1280), 16 bits
  Mode 0x0312: 640x480 (+2560), 24 bits
  Mode 0x0314: 800x600 (+1600), 16 bits
  Mode 0x0315: 800x600 (+3200), 24 bits
  Mode 0x0317: 1024x768 (+2048), 16 bits
  Mode 0x0318: 1024x768 (+4096), 24 bits
  Mode 0x031a: 1280x1024 (+2560), 16 bits
  Mode 0x0330: 320x200 (+320), 8 bits
  Mode 0x0331: 320x400 (+320), 8 bits
  Mode 0x0332: 320x400 (+640), 16 bits
  Mode 0x0333: 320x400 (+1280), 24 bits
  Mode 0x0334: 320x240 (+320), 8 bits
  Mode 0x0335: 320x240 (+640), 16 bits
  Mode 0x0336: 320x240 (+1280), 24 bits
  Mode 0x033d: 640x400 (+1280), 16 bits
  Mode 0x033e: 640x400 (+2560), 24 bits
  Mode 0x0345: 1600x1200 (+1600), 8 bits
  Mode 0x0346: 1600x1200 (+3200), 16 bits