Ultrastar 7K2
HGST Hard Disk Drive
Technical Reference Manual
32
ATA C
OMMAND
S
ET
Host Interface Commands
ATA-7/ATA-8 Commands
Table 6 lists the hexadecimal codes specific to each ATA-7/ATA-8 command supported by these hard
drives. Refer to the D1699 ATA8-ACS specification for full details on each command.
Table 6 ATA-7/ATA-8 Command Opcodes
COMMAND HEX OPCODE
CHECK POWER MODE E5
DOWNLOAD MICROCODE 92
EXECUTE DEVICE DIAGNOSTIC 90
FLUSH CACHE E7
FLUSH CACHE EXT EA
IDENTIFY DEVICE EC
IDLE E3
IDLE IMMEDIATE E1
NOP 00
READ BUFFER E4
READ DMA C8
READ DMA EXT 25
READ FPDMA QUEUED 60
READ LOG EXT 2F
READ LOG DMA EXT 47
READ MULTIPLE C4
READ MULTIPLE EXT 29
READ SECTOR(S) 20
READ SECTORS(S) EXT 24
READ VERIFY SECTOR(S) EXT 42
READ VERIFY SECTORS(S) 40
S.M.A.R.T. B0
SECURITY DISABLE PASSWORD F6
SECURITY ERASE PREPARE F3
SECURITY ERASE UNIT F4
SECURITY FREEZE LOCK F5
SECURITY SET PASSWORD F1
SECURITY UNLOCK F2
SET FEATURES EF
SET MULTIPLE C6
SLEEP E6
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