I’m always forgetting the numbers for the different framebuffer kernel settings in lilo/grub. So I’m pasting a chart here so i can come back and look at it if i need.

Color Depth | 640x480 800x600 1024x768 1280x1024
----------------+---------------------------------------
256 (8bit) | 769 771 773 775
32k (15bit) | 784 787 790 793
65k (16bit) | 785 788 791 794
16.7mil (24bit) | 786 789 792 795