Deskstar 7K400 Hard Disk Drive Specification
111
Commands marked * are alternate command codes for previously defined commands
Table 76: Command Set (subcommand)
Protocol:
1 : PIO data IN command
2 : PIO data OUT command
3 : Non data command
4 : DMA command
5 : DMA queued 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
Disable release interrupt
EF
DD
Summary of Contents for Deskstar 7K400
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