Non-Data Commands - Hitachi 7K80 - Deskstar - Hard Drive Specifications

11.3

Non-data commands

The following are Non-data commands:
• Check Power Mode
• Device Configuration FREEZE LOCK
• Device Configuration RESTORE
• Execute Device Diagnostic
• Flush Cache
• Flush Cache Ext
• Idle
• Idle Immediate
• Initialize Device Parameters
• NOP
• Read Native Max ADDRESS
• Read Native Max ADDRESS Ext
• Read Verify Sector(s)
• Read Verify Sector(s) Ext
• Recalibrate
• Security Erase Prepare
• Security Freeze Lock
• Seek
• Set Features
• Set Max ADDRESS
• Set Max ADDRESS Ext
• Set Max LOCK
• Set Max FREEZE LOCK
• Set Multiple Mode
• Sleep
• S.M.A.R.T. Disable Operations
• S.M.A.R.T. Enable/Disable Attribute Autosave
• S.M.A.R.T. Enable/Disable Automatic Off Line
• S.M.A.R.T. Enable Operations
• S.M.A.R.T. Execute Off-line Data Collection
• S.M.A.R.T. Return Status
• S.M.A.R.T. Save Attribute Values
• Standby
• Standby Immediate
Execution of these commands involves no data transfer:
a. The host writes any required parameters to the Features, Sector Count, Sector Number, Cylinder, and
Device/Head Registers.
b. The host writes the command code to the Command Register.
c. The device sets BSY = 1.
d. When the device has finished processing the command, it sets BSY = 0 and interrupts the host.
e. In response to the interrupt the host reads the Status Register.
f. The device clears the interrupt in response to the Status Register being read
Deskstar 7K80 Hard Disk Drive Specification
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