Deskstar T7K250 Hard Disk Drive Specification
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Table 60: Command Set (2 of 2)
Commands marked * are alternate command codes for previously defined commands
Protocol Command Code (Hex)
Binary Code Bit
7 6 5 4 3 2 1 0
3 Security Freeze Lock F5 1 1 1 1 0 1 0 1
2 Security Set Password F1 1 1 1 1 0 0 0 1
2 Security Unlock F2 1 1 1 1 0 0 1 0
3 Seek 7x 0 1 1 1 - - - -
5 Service A2 1 0 1 0 0 0 1 0
3 Set Features EF 1 1 1 0 1 1 1 1
3 Set Max ADDRESS F9 1 1 1 1 1 0 0 1
3 Set Max ADDRESS Ext 37 0 0 1 1 0 1 1 1
3 Set Multiple Mode C6 1 1 0 0 0 1 1 0
3 Sleep E6 1 1 1 0 0 1 1 0
3 Sleep* 99 1 0 0 1 1 0 0 1
3 S.M.A.R.T. Disable Operations B0 1 0 1 1 0 0 0 0
3
S.M.A.R.T. Enable/Disable Attribute
Auto save
B0 1 0 1 1 0 0 0 0
3
S.M.A.R.T. Enable/Disable Automatic
Off-line
B0 1 0 1 1 0 0 0 0
3 S.M.A.R.T. Enable Operations B0 1 0 1 1 0 0 0 0
3
S.M.A.R.T. Execute Off-line Data Col-
lection
B0 1 0 1 1 0 0 0 0
1 S.M.A.R.T. Read Attribute Values B0 1 0 1 1 0 0 0 0
1 S.M.A.R.T. Read Attribute Thresholds B0 1 0 1 1 0 0 0 0
3 S.M.A.R.T. Return Status B0 1 0 1 1 0 0 0 0
3 S.M.A.R.T. Save Attribute Values B0 1 0 1 1 0 0 0 0
2 S.M.A.R.T. Write Log Sector B0 1 0 1 1 0 0 0 0
3 Standby E2 1 1 1 0 0 0 1 0
3 Standby* 96 1 0 0 1 0 1 1 0
3 Standby Immediate E0 1 1 1 0 0 0 0 0
3 Standby Immediate* 94 1 0 0 1 0 1 0 0
2 Write Buffer E8 1 1 1 0 1 0 0 0
4 Write DMA CA 1 1 0 0 1 0 1 0
4 Write DMA CB 1 1 0 0 1 0 1 1
4 Write DMA Ext 35 0 0 1 1 0 1 0 1
5 Write DMA Queued CC 1 1 0 0 1 1 0 0
5 Write DMA Queued Ext 36 0 0 1 1 0 1 1 0
2 Write Log Ext 3F 0 0 1 1 1 1 1 1
2 Write Long 32 0 0 1 1 0 0 1 0
2 Write Long 33 0 0 1 1 0 0 1 1
2 Write Multiple C5 1 1 0 0 0 1 0 1
2 Write Multiple Ext 39 0 0 1 1 1 0 0 1
2 Write Sector(s) 30 0 0 1 1 0 0 0 0
2 Write Sector(s) 31 0 0 1 1 0 0 0 1
2 Write Sector(s)Ext 34 0 0 1 1 0 1 0 0
Protocol: 1 : PIO data IN command