IBM DTCA-24090 Hard Drive Specifications - Page 100

Non-Data Commands

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11.3 Non-Data Commands These commands are: Check Power Mode Execute Device Diagnostic Flush Cache Format Unit Idle Idle Immediate Initialize Device Parameters Read Native Max LBA/CYL Read Verify Sectors Recalibrate Security Erase Prepare Security Freeze Lock Seek Set Features Set Max LBA/CYL Set Multiple Mode Sleep SMART Disable Operations SMART Enable/Disable Attribute Autosave SMART Enable Operations SMART Execute Off-line Immediate SMART Return Status SMART 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. 92 OEM Specifications of DTCA-2xxxx 2.5 inch H D D

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11.3 Non-Data Commands
These commands are:
Check Power Mode
Execute Device Diagnostic
Flush Cache
Format Unit
Idle
Idle Immediate
Initialize Device Parameters
Read Native Max LBA/CYL
Read Verify Sectors
Recalibrate
Security Erase Prepare
Security Freeze Lock
Seek
Set Features
Set Max LBA/CYL
Set Multiple Mode
Sleep
SMART Disable Operations
SMART Enable/Disable Attribute Autosave
SMART Enable Operations
SMART Execute Off-line Immediate
SMART Return Status
SMART 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.
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OEM Specifications of DTCA-2xxxx 2.5 inch HDD