IBM IC35L040AVVN07-0 - 40GB IDE Deskstar 120GXP 7200RPM UATA-100..., Specifications, Page: 119 / 211

DD EF Disable release interrupt
CC EF Enable reverting to power on defaults
C2 EF Disable Automatic Acoustic Management
BB EF 4 bytes of ECC apply on Read/Write Long
AA EF Enable read look-ahead feature
89 EF Disable Address Offset Mode
86 EF Disable Power-up in Standby Feature Set
85 EF Disable Advanced Power Management
82 EF Disable write cache
66 EF Disable reverting to power on defaults
5D EF Enable release interrupt
55 EF Disable read look-ahead feature
44 EF 52 bytes of ECC apply on Read/Write Long
42 EF Enable Automatic Acoustic Management
09 EF Enable Address Offset Mode
07 EF Power-up in Standby Feature Set Device Spin-up
06 EF Enable Power-up in Standby Feature Set
05 EF Enable Advanced Power Management
03 EF Set Transfer Mode
02 EF Enable Write Cache
(Set Features)
DB B0 SMART Enable/Disable Automatic Off-line
DA B0 SMART Return Status
D9 B0 SMART Disable Operations
D8 B0 SMART Enable Operations
D6 B0 SMART Write Log
D5 B0 SMART Read Log
D4 B0 SMART Execute Off-line Data Collection
D3 B0 SMART Save Attribute Values
D2 B0 SMART Enable/Disable Attribute Autosave
D1 B0 SMART Read Attribute Thresholds
D0 B0 SMART Read Attribute Values
(S.M.A.R.T Function)
Feature
Register (Hex)
Command code
(Hex)
Command (Subcommand)
Figure 89. Command set (Subcommands)
Figure 87 beginning on page 103 shows the commands that are supported by the device. Figure 89
shows the subcommands that are supported by each command or feature.
The following symbols are used in the command descriptions:
Output Registers
0 Indicates that the bit must be set to zero.
1 Indicates that the bit must be set to one.
D The device number bit. Indicates that the device number bit of the Device/Head Register
should be specified. Zero selects the master device and one selects the slave device.
H Head number. Indicates that the head number part of the Device/Head Register is an
output parameter and should be specified.
Deskstar 120GXP hard disk drive specifications
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