To erase :
1) Issue LOCK
2) Select 0 (user)
3) type a password es. 1234
4) Issue EID command to verify the locking. PWD will lit and the warning "drive is locked with ATA password" will appear
5) at this point issue FASTERASE
6) type the user password in this case 1234
7) wait a few seconds and MHDD will show "OK FASTERASE STARTED"... otherwise the entered PW is incorrect.

wait until BSY turns off. You can be warned with a beep issuing WAIT command (the pc wll beep when the drive is not busy anymore)
9) the drive is erased.
Most drives unlock automatically after fasterase, other have to be UNLOCKed (issue UNLOCK command and type user or master pwd.) then DISPWD.
Turn off then on the drive and you'll see the drive is not locked anymore.
FASTERASE uses internal security functions so is much faster than erasing the LBAs . It took me about 40 min. for a Maxtor 160GB. , may vary depending on brand and capacity.