Deskstar T7K500 Hard Disk Drive Specification
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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
7654321 0 76543 21 0
CRC UNC 0 IDN 0 ABT T0N AMN BSY RDY DF DSC DRQ COR IDX ERR
00000V0 0 0V0-- 0- V
Word Description
00 Reserved
01-16 Password (32 bytes)
17-255 Reserved
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