Table 67: Command Set (Subcommand) - Hitachi HDT725025VLA380 - Deskstar 0A33423 T7K500 250GB SATA 7200RPM 8MB Cache Hard Drive Specifications

Commands marked * are alternate command codes for previously defined commands
Protocol: 1 : PIO data IN command
2 : PIO data OUT command
3 : Non data command
4 : DMA command
+ : Vendor specific command
Table 68: Command Set (subcommand)
Command (Subcommand)
S.M.A.R.T. Function
S.M.A.R.T. Read Attribute Values
S.M.A.R.T. Read Attribute Thresholds
S.M.A.R.T. Enable/Disable Attribute Autosave
S.M.A.R.T. Save Attribute Values
S.M.A.R.T. Execute Off-line Immediate
S.M.A.R.T. Read Log
S.M.A.R.T. Write Log
S.M.A.R.T. Enable Operations
S.M.A.R.T. Disable Operations
S.M.A.R.T. Return Status
S.M.A.R.T. Enable/Disable Automatic Off-line
Set Features
Enable Write Cache
Set Transfer mode
Enable Advanced Power Management
Enable Power-up in Standby Feature Set
Power-up in Standby Feature Set Device Spin-up
Enable Address Offset mode
Enable Automatic Acoustic Management
52 bytes of ECC apply on Read/Write Long
Disable read look-ahead feature
Enable release interrupt
Disable reverting to power on defaults
Disable write cache
Disable Advanced Power Management
Disable Power-up in Standby Feature Set
Disable Address Offset mode
Enable read look-ahead feature
4 bytes of ECC apply on Read/Write Long
Disable Automatic Acoustic Management
Enable reverting to power on defaults
Deskstar T7K500 Hard Disk Drive Specification
132
Command Feature
Code (Hex) Register (Hex)
B0 D0
B0 D1
B0 D2
B0 D3
B0 D4
B0 D5
B0 D6
B0 D8
B0 D9
B0 DA
B0 DB
EF 02
EF 03
EF 05
EF 06
EF 07
EF 09
EF 42
EF 44
EF 55
EF 5D
EF 66
EF 82
EF 85
EF 86
EF 89
EF AA
EF BB
EF C2
EF CC