Please read the information given about 'ATA security' in the previous blog before downloading and running this utility.
Once you run this utility in MS-DOS mode, you will see graphical interface that itself says everything about it. But, still I am explaining it here, to avoid any mistake.
After running utility, following options will be displayed.
SELECT HARD DISK INTERFACE
DISPLAY HARD DISK INFO
SET USER PASSWORD
SET MASTER PASSWORD
UNLOCK USING USER PASSWORD
UNLOCK USING MASTER PASSWORD
DISABLE SECURITY USING USER PASSWORD
DISABLE SECURITY USING MASTER PASSWORD