Howto get 44 logical partitions out of a SCSI/SATA/PATA/USB disk – JustLinux Forums

http://www.justlinux.com/forum/showthread.php?t=149956&highlight=partition

Starting with a raw or empty spare hard disk, create the first extended partition and put 11 logical partitions inside, hide the first extended partition making it to become an unknown primary partition, repeat three times and use Grub to control the access of them.