IBM IC25N020ATDA04 - Travelstar 20 GB Hard Drive - 13.8 Identify Device

C3
B1
Device Configuration SET
C2
B1
Device Configuration IDENTIFY
C1
B1
Device Configuration FREEZE LOCK
C0
B1
Device Configuration RESTORE
(Device Configuration Overlay)
04
F9
Set Max FREEZE LOCK
03
F9
Set Max UNLOCK
02
F9
Set Max LOCK
01
F9
Set Max SET PASSWORD
(Set Max Security Extension)
CC
EF
Enable reverting to power on defaults
BB
EF
4 bytes of ECC apply on Read/Write Long
AA
EF
Enable read look-ahead feature
89
EF
Disable Address Offset mode
85
EF
Disable Advanced Power Management feature
82
EF
Disable write cache
66
EF
Disable reverting to power on defaults
55
EF
Disable read look-ahead feature
44
EF
40 bytes of ECC apply on Read/Write Long
09
EF
Enable Address Offset mode
05
EF
Enable Advanced Power Management feature
03
EF
Set Transfer mode
02
EF
Enable Write Cache
(Set Features)
DB
B0
S.M.A.R.T. Enable/Disable Automatic Off-line
DA
B0
S.M.A.R.T. Return Status
D9
B0
S.M.A.R.T. Disable Operations
D8
B0
S.M.A.R.T. Enable Operations
D6
B0
S.M.A.R.T. Write Log Sector
D5
B0
S.M.A.R.T. Read Log Sector
D4
B0
S.M.A.R.T. Execute Off-line Immediate
D3
B0
S.M.A.R.T. Save Attribute Values
D2
B0
S.M.A.R.T. Enable/Disable Attribute Autosave
D1
B0
S.M.A.R.T. Read Attribute Thresholds
D0
B0
S.M.A.R.T. Read Attribute Values
(S.M.A.R.T Function)
87
FA
Disable Delayed Write function
07
FA
Enable Delayed Write function
(Delayed Write Function)
Feature
Register
(Hex)
Command
Code
(Hex)
Command (Subcommand)
Figure 74. Command Set (Subcommand)
Figure 73 on pages 109 and 110 shows the commands that are supported by the device.
Figure 74 above shows the Subcommands that are supported by each command or feature.
Travelstar 48GH, 30GN & 15GN hard disk drive specifications
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