Blog - Wiki  User Tools  Site Tools   VESA BIOS Resolutions in
Linux  Native BIOS Resolutions  The native Video BIOS
resolutions can be determined by following these steps:    1.
Install an operating system that uses the grub boot loader   2.
Boot into the grub menu   3. Press 'c' for a grub command line
4. Run 'vbeprobe' VBE version 3.0 0x112: Direct Color,
640x480x32 0x101: Packed pixel, 640x480x8 0x111: Direct Color,
640x480x16  The meaning of these codes is also explained here.
Translating these codes into their Linux equivalents by add
0x200 to them yields the following values:  Hexadecimal  Decimal
0x312        786 0x301        769 0x111        785  Selecting a
Resolution from the Linux Kernel  The linux kernel source code
documentation file Documentation/svga.txt explains that these
codes can be used by the kernel at boot time to select the
screen resolution. For example, grub's /boot/grub/menu.lst might
be modified by adding vga=769.  title        Debian GNU/Linux,
kernel 2.6.22-3-686 root