Y Support
#1: This command is optional, depending on the key Management scheme in use.
#2: Use of this command is not recommended by CFA
#3: Use of this command is not recommended.
#4: When the controller gets this command, it will skip this command and return 0x50.
Definitions
FR = Features Register
SC =Sector Count register (00H to FFH, 00H means 256 sectors)
SN = Sector Number register
CY = Cylinder Low/High register
DH = Head No. (0 to 15) of Drive/Head register
LBA = Logic Block Address Mode Support
– = Not used for the command
Y = Used for the command