Deskstar T7K500 Hard Disk Drive Specification
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12.38.2 Set Max Lock (Feature=02h)
Table 133: Set Max Lock command
If this command is immediately preceded by a Read Native Max Address command, the device regards it as a Read
Native Max Address command.
This command sets the device into Set_Max_Locked state. After this command is completed, any other Set Max
commands except Set Max Unlock and Set Max Freeze Lock are rejected. The device remains in this state until a
power cycle or the acceptance of a Set Max Unlock or Set Max Freeze Lock command
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 1 0 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