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10.8 Command Descriptions

The drive interprets the commands written in the command register by the host system and executes them. This table shows the drive’s response to the valid commands written in command-register.

Command

 

Status register

 

 

 

Error register

 

 

 

DRDY

DF

CORR

ERR

ICRC

UNC

IDNF

ABRT

 

TK0NF

AMNF

CHECK POWER MODE

 

 

 

 

 

 

 

EXECUTE DEVICE DIAGNOSTIC

 

 

 

 

See

 

 

 

 

 

 

 

 

 

 

Table 10.7-1

 

 

DEVICE CONFIGRATION RESTORE

 

 

 

 

 

 

 

DEVICE CONFIGRATION FRESZE

 

 

 

 

 

 

 

LOCK

 

 

 

 

 

 

 

 

 

 

 

DEVICE CONFIGRATION IDENTIFY

 

 

 

 

 

 

 

DEVICE CONFIGRATION SET

 

 

 

 

 

 

 

DOWNLOAD MICROCODE

 

 

 

 

 

 

 

FLUSH CACHE (EXT)

 

 

 

 

 

 

FORMAT TRACK

 

 

 

IDENTIFY DEVICE

 

 

 

 

 

 

 

IDLE

 

 

 

 

 

 

 

IDLE IMMEDIATE

 

 

 

 

 

 

 

INITIALIZE DEVICE PARAMETERS

 

 

 

 

 

 

 

 

 

READ BUFFER

 

 

 

 

 

 

 

READ DMA (EXT)

 

 

 

READ MULTIPLE (EXT)

 

 

 

 

READ NATIVE MAX ADDRESS (EXT)

 

 

 

 

 

 

 

 

 

READ SECTOR(S) (EXT)

 

 

 

 

READ VERIFY SECTOR(S) (EXT)

 

 

 

 

RECALIBRATE

 

 

 

 

 

 

SECURITY DISABLE PASSWORD

 

 

 

 

 

 

SECURITY ERASE PREPARE

 

 

 

 

 

 

SECURITY ERASE UNIT

 

 

 

 

 

 

SECURITY FREEZE LOCK

 

 

 

 

 

 

SECURITY SET PASSWORD

 

 

 

 

 

 

SECURITY UNLOCK

 

 

 

 

 

 

SEEK

 

 

 

 

 

 

SET FEATURES

 

 

 

 

 

 

 

SET MAX ADDRESS (EXT)

 

 

 

 

 

 

 

SET MAX SET PASSWORD

 

 

 

 

 

 

 

 

SET MAX LOCK

 

 

 

 

 

 

 

 

SET MAX UNLOCK

 

 

 

 

 

 

 

 

SET MAX FLEEZE LOCK

 

 

 

 

 

 

 

 

SET MULTIPLE MODE

 

 

 

 

 

 

 

SLEEP

 

 

 

 

 

 

 

SMART Enable/Disable Attribute

 

 

 

 

 

 

 

autosave

 

 

 

 

 

 

 

 

 

 

 

SMART Enable/Disable Automatic

 

 

 

 

 

 

 

Off-line

 

 

 

 

 

 

 

 

 

 

 

SMART DISABLE OPERATIONS

 

 

 

 

 

 

 

SMART ENABLE OPERATIONS

 

 

 

 

 

 

 

SMART RETURN STATUS

 

 

 

 

 

 

 

SMART Read Attribute Values

 

 

 

 

 

SMART Read Attribute Thresholds

 

 

 

 

 

 

 

SMART Save Attribute Values

 

 

 

 

 

 

 

SMART Execute OFF-LINE Immediate

 

 

 

 

 

 

SMART Read Log Sector

 

 

 

 

 

SMART Write Log Sector

 

 

 

 

 

 

STANDBY

 

 

 

 

 

 

 

STANDBY IMMEDIATE

 

 

 

 

 

 

 

WRITE BUFFER

 

 

 

 

 

 

 

WRITE DMA (EXT)

 

 

 

 

 

WRITE MULTIPLE (EXT)

 

 

 

 

 

 

WRITE SECTOR(S) (EXT)

 

 

 

 

 

 

WRITE VERIFY

 

 

 

 

 

 

Invalid command code

 

 

 

 

 

 

 

√ = valid on this command

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