Hitachi HTS721010G9AT00, Specifications

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Travelstar 7K100 Hard Disk Drive Specification
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13.34 Set Features (EFh)
Table 109: Set Features (EFh)
The Set Feature command establishes the following parameters which affect the execution of certain features as
shown in the table below.
ABT will be set to 1 in the Error Register if the Feature register contains any undefined values.
After the power on reset or hard reset the device is set to the following features as default.
Output parameters to the device
Command Block Output Registers Command Block Input Registers
Register 7 6 5 4 3 2 1 0 Register 7 6 5 4 3 2 1 0
Data - - - - - - - - Data - - - - - - - -
Feature V V V V V V V V Error see below
Sector Count see note 1 Sector Count - - - - - - - -
LBA Low - - - - - - - - LBA Low - - - - - - - -
LBA Mid - - - - - - - - LBA Mid - - - - - - - -
LBA High - - - - - - - - LBA High - - - - - - - -
Device 1 - 1 D - - - - Device - - - - - - - -
Command 1 1 1 0 1 1 1 1 Status see below
Error Register Status Register
7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0
CRC UNC 0 IDN 0 ABT T0N AMN BSY RDY DF DSC DRQ COR IDX ERR
0 0 0 0 0 V 0 0 0 V 0 - - 0 - V
Write cache Enable
ECC bytes 4 bytes
Read look-ahead Enable
Reverting to power on defaults Disable
Address Offset mode Disable
Feature Destination code for this command
02H Enable write cache (See note 2)
03H Set transfer mode based on value in sector count register
05H Reserved (See note 3)
06H Enable Power-Up in Standby feature set
07H Power-Up in Standby feature set device spin-up
09H Enable Address Offset mode
42H Enable Automatic Acoustic Management feature set
44H 51 bytes of ECC apply on Read/Write long commands
55H Disable read look-ahead feature
66H Disable reverting to power on defaults
82H Disable write cache
85H Disable Advanced Power Management (Note .3)