By default, the boot loader GRUB is used in SUSE LINUX. However, in some cases and for special hardware and software constellations, LILO may be more suitable. If you update an older SUSE LINUX version that used LILO, LILO is installed. For a new installation, GRUB is installed unless the root partition is installed on the following systems:
CPU-dependent RAID controllers (such as many Promise or Highpoint controllers)
Information about the installation and configuration of LILO is available in the Support Database under the keyword LILO.