Help me for a disk clipped

hello,i have a wd  1600aajs-22l7a0 .in the label i read 160 giga and there is a little label which says:clipped to 80 giga.

i read old post that on member solve it but not say which method .i try whit hdat2 but when i try to modify set max address generate an error.

can i help me?

many thanks

Dude, can you be more specific. Are you trying to determine your drive capacity?

on the label attached in the disk i read 160 giga,but when i try various software(hdd capacity restore,hdat2…)the max capacity is 80 giga