The Set Feature command is to establish the following parameters which affect the execution of certain
features as shown in the following table.
ABT will be set to 1 in the Error Register if the Feature register contains any undefined values.
DDHDisable release interrupt
CCHEnable reverting to power on defaults
C2HDisable Automatic Acoustic
Management
BBH4 bytes of ECC apply on Read
Long/Write Long commands
AAHEnable read look-ahead feature
89HDisable Address Offset mode
86HDisable Power-up in Standby mode
85HDisable Advanced Power Management
82HDisable write cache
66HDisable reverting to power on defaults
5DHEnable release interrupt
55HDisable read look-ahead feature
44H40 bytes of ECC apply on Read
Long/Write Long commands
42HEnable Automatic Acoustic
Management
09HEnable Address Offset mode
07H Power-up in Standby feature set device
spin-up
06HEnable Power-up in Standby feature set
05HEnable Advanced Power Management
03HSet transfer mode based on value in
sector count register
02HEnable write cache
Destination code for this commandCommand feature
Note: After a power on reset of hard reset the device is set to the following features as default:
Write cache : Enable
ECC bytes : 4 bytes
Read look-ahead : Enable
Reverting to power on defaults : Disable
Release interrupt : Disable
Figure
110.
Output parameters to the device
Deskstar 60 GXP Hard disk drive specification
149
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