Disk /dev/sda1: 500.1 GB, 500117997568 bytes
255 heads, 63 sectors/track, 60802 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x69205244
This doesn't look like a partition table
Probably you selected the wrong device.
Device Boot Start End Blocks Id System
/dev/sda1p1 ? 13578 119522 850995205 72 Unknown
Partition 1 does not end on cylinder boundary.
/dev/sda1p2 ? 45382 79243 271987362 74 Unknown
Partition 2 does not end on cylinder boundary.
/dev/sda1p3 ? 10499 10499 0 65 Novell Netware 386
Partition 3 does not end on cylinder boundary.
/dev/sda1p4 167628 167631 25817+ 0 Empty
Partition 4 does not end on cylinder boundary.
Partition table entries are not in disk order