tiny harddrive

[dthoreson81]

I recently harvested a tiny (around 1.75 x the size of a deck of cards) from an old IBM powerbook. The disks inside are NOT silver. They are a more yellow gold color. Are these worth saving? If so, what metals do they contain?

D81

 

[lazersteve]

D81,

The coating is ferric oxide (iron oxide).

Steve

 

[meatheadmerlin]

I thought that the ferric oxide was the main means of accomplishing the magnetic storage.
Are you sure that the whole coating is nothing more than ferric oxide?

 

[Marcel]

Just put a drop of HCl on the disk and see for yourself.

 

[rickbb]

Last batch of whole hard drives I sold went for $.81 lb. I'd throw that one in with the rest.