c83-249-192-67:/home/sedde# fdisk -l Disk /dev/hda: 4311 MB, 4311982080 bytes 255 heads, 63 sectors/track, 524 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/hda1 * 1 498 4000153+ 83 Linux /dev/hda2 499 524 208845 5 Extended /dev/hda5 499 524 208813+ 82 Linux swap / Solaris Disk /dev/hdb: 40.0 GB, 40027029504 bytes 255 heads, 63 sectors/track, 4866 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/hdb1 * 1 4865 39078081 7 HPFS/NTFS c83-249-192-67:/home/sedde# fdisk /dev/hdb1 The number of cylinders for this disk is set to 77535. There is nothing wrong with that, but this is larger than 1024, and could in certain setups cause problems with: 1) software that runs at boot time (e.g., old versions of LILO) 2) booting and partitioning software from other OSs (e.g., DOS FDISK, OS/2 FDISK) Command (m for help):