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Copyright © 2000 Toshiba corporation. All rights reserved.
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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
FLUSH CACHE
√
√
√
√
√
FORMAT TRACK
√
√
√
√
√
√
√
√
IDENTIFY DEVICE
√
√
√
√
IDLE
√
√
√
√
IDLE IMMEDIATE
√
√
√
√
INITIALIZE DEVICE PARAMETERS
√
√
READ BUFFER
√
√
√
√
READ DMA
√
√
√
√
√
√
√
√
READ LONG
√
√
√
√
√
√
READ MULTIPLE
√
√
√
√
√
√
√
READ NATIVE MAX ADDRESS
√
√
READ SECTOR(S)
√
√
√
√
√
√
√
READ VERIFY SECTOR(S)
√
√
√
√
√
√
√
RECALIBRATE
√
√
√
√
√
SECURITY DISABLE PASSWORD
√
√
√
√
√
SECURITY ERASE PREPARE
√
√
√
√
√
SECURITY ERASE UNIT
√
√
√
√
√
SECURITY FREEZE LOCK
√
√
√
√
√
SECURITY SET PASSWORD
√
√
√
√
√
SECURITY UNLOCK
√
√
√
√
√
SEEK
√
√
√
√
√
SET FEATURES
√
√
√
√
SET MAX ADDRESS
√
√
√
SET MULTIPLE MODE
√
√
√
√
SLEEP
√
√
√
√
SMART Enable/Disable Attribute
autosave
√
√
√
√
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
√
√
√
√
√
STANDBY
√
√
√
√
STANDBY IMMEDIATE
√
√
√
√
WRITE BUFFER
√
√
√
√
WRITE DMA
√
√
√
√
√
√
WRITE LONG
√
√
√
√
√
WRITE MULTIPLE
√
√
√
√
√
WRITE SECTOR(S)
√
√
√
√
√
WRITE VERIFY
√
√
√
√
√
Invalid command code
√
√
√
√
√ = valid on this command