1. Using a given mode number for VESA VBE. Examples:
Note: You should be certain that your machine(or your video card) do support those modes.
2. Let grub4dos choose an optimized mode(or say, best mode):
Note: You do not have to know about (before hand) what mode numbers are actually supported by your hardware.
3. Optimized mode constrained by user-given criteria:
graphicsmode -1 [ RANGE_X_RESOLUTION [ RANGE_Y_RESOLUTION [ RANGE_COLOR_DEPTH ] ] ]
Note: A value of -1 (that is, negative 1) for each RANGE means no restriction for the resolution(or color depth). And -1 is the default value for all RANGEs.
Note: One might want to use this one(or similar) for (good) compatibility to various hardwares:
graphicsmode -1 100:1000 100:1000 24:32
Note: mode 0x6A is no longer supported with newer/later builds. Only 24-bit and 32-bit "Direct Color" modes are supported.
Note also: You can use "graphicsmode 3" to go back to text mode.