Hitachi T7K250 - Deskstar - Hard Drive - Non-Data Commands

Deskstar T7K250 Hard Disk Drive Specification
110
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