Hitachi HTS541040G9AT00 Specifications - Page 174

Set Features EFh

Page 174 highlights

13.34 Set Features (EFh) Table 112: Set Features (EFh) Command Block Output Registers Register 7 6 5 4 3 2 1 0 Data Feature V V V V V V V V Sector Count see note 1 LBA Low LBA Mid LBA High Device 1 - 1 D - - - - Command 1 1 1 0 1 1 1 1 76 CRC UNC 00 Error Register 54 3 2 1 0 0 IDN 0 ABT T0N AMN 00 0 V 0 0 Command Block Input Registers Register 7 6 5 4 3 2 1 0 Data Error see below Sector Count LBA Low LBA Mid LBA High Device Status see below Status Register 7 654 3 2 1 0 BSY RDY DF DSC DRQ COR IDX ERR 0 V0- - 0 - V 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. Write cache ECC bytes Read look-ahead Reverting to power on defaults Address Offset mode Enable 4 bytes Enable Disable Disable Output parameters to the device Feature 02H 03H 05H 06H 07H 09H 42H 44H 55H 66H 82H 85H Destination code for this command Enable write cache (See note 2) Set transfer mode based on value in sector count register Enable Advanced Power Management Enable Power-Up in Standby feature set Power-Up in Standby feature set device spin-up Enable Address Offset mode Enable Automatic Acoustic Management feature set 51 bytes of ECC apply on Read Long/Write Long commands Disable read look-ahead feature Disable reverting to power on defaults Disable write cache Disable Advanced Power Management (see note 3) Travelstar 5K100 Hard Disk Drive Specification 160

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Travelstar 5K100 Hard Disk Drive Specification
160
13.34
Set Features (EFh)
Table 112: 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
Enable Advanced Power Management
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 Long/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 (see note 3)