IBM IC25N020ATDA04 Hard Drive Specifications - Page 215

SET FEATURES Command Support Coverage, Enable Address Offset mode

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15.2 SET FEATURES Command Support Coverage The following table provides a list of Feature Registers and Feature Names as well as a column titled "Implementation for Travelstar 48GH, 30GN & 15GN" which indicates whether the drive has the capability of executing the command in comparison to the ATA/ATAPI-5 defined command set. For details of operation, refer to Section 13.29, "Set Features (EFh)" on page 163. Features Register 02h 03h 05h 09h 44h 55h 5Dh 5Eh 66h 82h 85h 89h 95h AAh BBh CCh DDh EEh others Features Name Enable write cache Set transfer mode Enable Advanced Power Management Enable Address Offset mode Set vendor specific bytes ECC Disable read look-ahead feature Enable release interrupt Enable SERVICE interrupt Disable reverting to power on defaults Disable write cache Disable Advanced Power Management Disable Address Offset mode Enable Media Status Notification Enable read look-ahead feature Set 4 bytes ECC Enable reverting to power on defaults Disable release interrupt Disable SERVICE interrupt Reserved Implementation for Travelstar 48GH, 30GN & 15GN Yes Yes Yes Yes Yes Yes No No Yes Yes Yes Yes No Yes Yes Yes No No Reserved Figure 138. SET FEATURES command coverage Travelstar 48GH, 30GN & 15GN hard disk drive specifications 201

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15.2 SET FEATURES Command Support Coverage
The following table provides a list of Feature Registers and Feature Names as well as a column titled
"Implementation for Travelstar 48GH, 30GN & 15GN" which indicates whether the drive has the capability
of executing the command in comparison to the ATA/ATAPI-5 defined command set. For details of
operation, refer to Section 13.29, "Set Features (EFh)" on page 163.
Reserved
Reserved
others
No
Disable SERVICE interrupt
EEh
No
Disable release interrupt
DDh
Yes
Enable reverting to power on defaults
CCh
Yes
Set 4 bytes ECC
BBh
Yes
Enable read look-ahead feature
AAh
No
Enable Media Status Notification
95h
Yes
Disable Address Offset mode
89h
Yes
Disable Advanced Power Management
85h
Yes
Disable write cache
82h
Yes
Disable reverting to power on defaults
66h
No
Enable SERVICE interrupt
5Eh
No
Enable release interrupt
5Dh
Yes
Disable read look-ahead feature
55h
Yes
Set vendor specific bytes ECC
44h
Yes
Enable Address Offset mode
09h
Yes
Enable Advanced Power Management
05h
Yes
Set transfer mode
03h
Yes
Enable write cache
02h
Implementation
for Travelstar
48GH, 30GN & 15GN
Features
Name
Features
Register
Figure 138. SET FEATURES command coverage
Travelstar 48GH, 30GN & 15GN hard disk drive specifications
201