Non-Data Commands - IBM DBCA-204860 - Travelstar 4.8 GB Hard Drive Specifications

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 Address
Read Verify Sectors
Recalibrate
Security Erase Prepare
Security Freeze Lock
Seek
Set Features
Set Max Address
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 B S Y = 1 .
4. When the device has finished processing the command, it sets B S Y = 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
O E M Specifications of DBCA-2xxxxx 2.5 inch H D D