Grub Error 18SituationCode Listing 6.1: Grub Outputkernel (hd1,4)/bzImage root=/dev/hdb7Error 18: Selected cylinder exceeds max supported by BIOSSolution:This error is returned when a read is attempted at a linear block address beyond the end of the BIOS translated area. This generally happens if your disk is larger than the BIOS can handle (512MB for (E)IDE disks on older machines or larger than 8GB in general).Try an update for your BIOS and/or move your boot partition to the front (or at least into the appropriate range).