Missing framebuffer on boot

[Enrico Castellani]

hi, this is my grub.conf, as you can see i added the vga=791 but it doesn't 
work... It worked fine whit rh9, any ideas?
Tanks.

default=0
timeout=5
splashimage=(hd0,0)/grub/splash.xpm.gz
title Fedora Core (2.4.22-1.2115.nptl)
        root (hd0,0)
        kernel /vmlinuz-2.4.22-1.2115.nptl ro vga=791 root=LABEL=/ 
hdd=ide-scsi
        initrd /initrd-2.4.22-1.2115.nptl.img