/etc/default/grub is the configuration file which is used by the newer version of grub (grub-pc) - on the Jaunty and earlier versions, you'll need to add pciehp.pciehp_force=1 to the linux boot line in /boot/grub/menu.lst I believe.
/etc/default/grub is the configuration file which is used by the newer version of grub (grub-pc) - on the Jaunty and earlier versions, you'll need to add pciehp. pciehp_ force=1 to the linux boot line in /boot/grub/menu.lst I believe.