Hitachi HDT725025VLA380 Specifications - Page 231

Set Max Set Password Feature=01h

Page 231 highlights

12.38.1 Set Max Set Password (Feature=01h) Table 131: Set Max Set Password command Command Block Output Registers Register 7 6 5 4 3 2 1 0 Data Feature 0 0 0 0 0 0 0 1 Sector Count Sector Number Cylinder Low Cylinder High Device/Head 1 - 1 D - - - - Command 1 1 1 1 1 0 0 1 Command Block Input Registers Register 7 6 5 4 3 2 1 0 Data Error see below Sector Count Sector Number Cylinder Low Cylinder High Device/Head 1 - 1 D - - - - Status see below 76 CRC UNC 00 Error Register 54 3 2 1 0 0 IDN 0 ABT T0N AMN 00 0 V 0 0 Status Register 7 654 3 2 1 0 BSY RDY DF DSC DRQ COR IDX ERR 0 V0- - 0 - V If this command is immediately preceded by a Read Native Max Address command, the device regards it as a Set Max Address command This command requests a transfer of a single sector of data from the host including the information specified in the figure below. The password is retained by the device until the next power cycle. When the device accepts this command, the device is in Set_Max_Unlocked state. Table 132: Set Max Set Password data contents Word 00 01-16 17-255 Description Reserved Password (32 bytes) Reserved Deskstar T7K500 Hard Disk Drive Specification 217

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Deskstar T7K500 Hard Disk Drive Specification
217
12.38.1
Set Max Set Password (Feature=01h)
Table 131: Set Max Set Password command
If this command is immediately preceded by a Read Native Max Address command, the device regards it as a Set
Max Address command
This command requests a transfer of a single sector of data from the host including the information specified in the
figure below.
The password is retained by the device until the next power cycle. When the device accepts this command, the
device is in Set_Max_Unlocked state.
Table 132: Set Max Set Password data contents
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
0 0 0 0 0 0 0 1
Error
see below
Sector Count
- - - - - - - -
Sector Count
- - - - - - - -
Sector Number
- - - - - - - -
Sector Number
- - - - - - - -
Cylinder Low
- - - - - - - -
Cylinder Low
- - - - - - - -
Cylinder High
- - - - - - - -
Cylinder High
- - - - - - - -
Device/Head
1 - 1 D - - - -
Device/Head
1 - 1 D - - - -
Command
1 1 1 1 1 0 0 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
Word
Description
00
Reserved
01-16
Password (32 bytes)
17-255
Reserved