Disk /dev/sda: 640.1 GB, 640135028736 bytes
255 heads, 63 sectors/track, 77825 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00027fc8
Device Boot Start End Blocks Id System
/dev/sda1 * 1 76679 615915520 83 Linux
/dev/sda2 76679 77826 9213953 5 Extended
/dev/sda5 76679 77826 9213952 82 Linux swap / Sola
hope thats what you mean,
thanks