IBM DARA-206000 Hard Drive Specifications - Page 202

SET FEATURES Command Support Coverage

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14.2 SET FEATURES Command Support Coverage The following table is provided to facilitate the understanding of DARA-2xxxxx. "Set Features" command support coverage comparing to the ATA-4 defined command set. The column of 'Implementation' shows the capability of DARA-2xxxxx for those commands. For detail operation, refer to 12.27, "Set Features (EFh)" on page 150. Features Features Register Name 02h 03h 05h 09h 44h 55h 5Dh 5Eh 66h 82h 85h 89h 95h AAh BBh CCh DDh EEh others 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 DARA 2XXXX Yes Yes Yes Yes Yes Yes No No Yes Yes Yes Yes No Yes Yes Yes No No Reserved Figure 137. SET FEATURES Command coverage 192 OEM Specifications of DARA-2xxxxx 2.5 inch H D D Rev 2.1

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14.2
SET FEATURES Command Support Coverage
The following table is provided to facilitate the understanding of DARA-2xxxxx.
"Set Features" command
support coverage comparing to the ATA-4 defined command set.
The column of 'Implementation' shows
the capability of DARA-2xxxxx for those commands.
For detail operation, refer to 12.27, “Set Features
(EFh)” on page 150.
Features
Features
Implementation
Register
Name
for DARA 2XXXX
02h
Enable write cache
Yes
03h
Set transfer mode
Yes
05h
Enable Advanced Power Management
Yes
09h
Enable Address Offset mode
Yes
44h
Set vendor specific bytes ECC
Yes
55h
Disable read look ahead feature
Yes
5Dh
Enable release interrupt
No
5Eh
Enable SERVICE interrupt
No
66h
Disable reverting to power on defaults
Yes
82h
Disable write cache
Yes
85h
Disable Advanced Power Management
Yes
89h
Disable Address Offset mode
Yes
95h
Enable Media Status Notification
No
AAh
Enable read look ahead feature
Yes
BBh
Set 4 bytes ECC
Yes
CCh
Enable reverting to power on defaults
Yes
DDh
Disable release interrupt
No
EEh
Disable SERVICE interrupt
No
others
Reserved
Reserved
Figure 137. SET FEATURES Command coverage
192
OEM Specifications of DARA-2xxxxx 2.5 inch HDD Rev 2.1