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