>I have seven questions about serial and label:
>
>
>
>
> 1- Which is the difference between serial and volume label of an HD ?

Windows provides the means for user/programmer to change a Volume Label.

> 2- The function getvolume, get's label and serial or only serial ?

See WinApi#20

> 3- Serial is recorded on disk or on the chip of HD ?

It's recorded on disk.

> 4- How can I read serial ?

See WinApi#20

> 5- How can I change serial?

See http://www.brettglass.com/ttr19980206a.html

> 6- How can I read label?

See WinApi#20

> 7- How can change label ?

See WinApi#12656

>
>
>
> Thanks
>Moises