640×480 800×600 1024×768 1280×1024 1600×1200
—————+———-+———-+————+————-+———
256 (8 bit) | 769 771 773 775 796
32,768 (15 bit)| 784 787 790 793 797
65,536 (16 bit)| 785 788 791 794 798
16.8M (24 bit) | 786 789 792 795 799
example:
title Ubuntu, kernel 2.6.15-12-386
root (hd1,2)
kernel /boot/vmlinuz-2.6.15-12-386 root=/dev/hdb3 vga=791 ro quiet splash
initrd /boot/initrd.img-2.6.15-12-386
savedefault
boot
manac ham chơi 
#__+
Comment by manac — 28 June, 2007 @ 12:19 pm
# FRAMEBUFFER RESOLUTION SETTINGS
# +————————————————-+
# | 640×480 800×600 1024×768 1280×1024
# —-+——————————————–
# 256 | 0x301=769 0x303=771 0x305=773 0x307=775
# 32K | 0x310=784 0x313=787 0x316=790 0x319=793
# 64K | 0x311=785 0x314=788 0x317=791 0x31A=794
# 16M | 0x312=786 0x315=789 0x318=792 0x31B=795
# +————————————————-+
Comment by manac — 27 December, 2007 @ 1:03 pm
use: vga=0F07 (vesa 800×600)
Comment by manac — 27 December, 2007 @ 1:08 pm