Deskstar T7K500 Hard Disk Drive Specification
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12.38.4 Set Max Freeze Lock (Feature = 04h)
Table 135: Set Max Freeze Lock (F9h)
If the Set Max Freeze Lock command is immediately preceded by a Read Native Max Address command, this
command is regarded as a Set Max Address command.
The Set Max Freeze Lock command sets the device to Set_Max_Frozen state. After the completion of the com-
mand any subsequent Set Max commands are rejected. The following commands are disabled by Set Max Freeze
Lock:
• Set Max Address
• Set Max Set PASSWORD
•Set Max Lock
• Set Max Unlock
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
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