IBM IC25N020ATDA04 Hard Drive Specifications - Page 121

Nondata commands, S.M.A.R.T. Enable/Disable Attribute Auto sav

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12.3 Nondata commands The following are examples of Nondata commands: ! Check Power Mode ! Device Configuration FREEZE LOCK ! Device Configuration RESTORE ! Enable/Disable Delayed Write ! Execute Device Diagnostic ! Flush Cache ! Format Unit ! Idle ! Idle Immediate ! Initialize Device Parameters ! Read Native Max ADDRESS ! Read Verify Sectors ! Recalibrate ! Security Erase Prepare ! Security Freeze Lock ! Seek ! Sense Condition ! Set Features ! Set Max ADDRESS ! 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 Auto sav ! 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 Immediate ! 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. 1. The host writes any required parameters to the Features, Sector Count, Sector Number, Cylinder, and Device/Head Registers. 2. The host writes the command code to the Command Register. 3. The device sets BSY = 1. 4. When the device has finished processing the command, it sets BSY = 0 and interrupts the host. 5. In response to the interrupt, the host reads the Status Register. 6. The device clears the interrupt in response to the Status Register being read. Travelstar 48GH, 30GN & 15GN hard disk drive specifications 107

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12.3 Nondata commands
The following are examples of Nondata commands:
!
Check Power Mode
!
Device Configuration FREEZE LOCK
!
Device Configuration RESTORE
!
Enable/Disable Delayed Write
!
Execute Device Diagnostic
!
Flush Cache
!
Format Unit
!
Idle
!
Idle Immediate
!
Initialize Device Parameters
!
Read Native Max ADDRESS
!
Read Verify Sectors
!
Recalibrate
!
Security Erase Prepare
!
Security Freeze Lock
!
Seek
!
Sense Condition
!
Set Features
!
Set Max ADDRESS
!
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 Auto sav
!
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 Immediate
!
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.
1. The host writes any required parameters to the Features, Sector Count, Sector Number, Cylinder, and
Device/Head Registers.
2. The host writes the command code to the Command Register.
3. The device sets BSY = 1.
4. When the device has finished processing the command, it sets BSY = 0 and interrupts the host.
5. In response to the interrupt, the host reads the Status Register.
6. The device clears the interrupt in response to the Status Register being read.
Travelstar 48GH, 30GN & 15GN hard disk drive specifications
107