在grub.conf里面改
看我下面的grub.conf文件
--------------------------------------------------
default=0
timeout=10
splashimage=(hd0,0)/grub/splash.xpm.gz
title Red Hat Linux (2.4.20-

root (hd0,0)
kernel /vmlinuz-2.4.20-8 ro root=LABEL=/
vga=0x314
initrd /initrd-2.4.20-8.img