The defoptions are commented out but are still applicable as they are not read by grub but by update-grub. Normally you can just change the defoptions line and all entries will follow it at the next update-grub.
If that does not work for you can you include your grub menu.lst please.
The defoptions are commented out but are still applicable as they are not read by grub but by update-grub. Normally you can just change the defoptions line and all entries will follow it at the next update-grub.
If that does not work for you can you include your grub menu.lst please.