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12.50.2 Set Max Lock (Feature = 02h)
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.
Table 216 Set Max Lock
Command Block Normal Outputs
Command Block Command Input
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
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
294
Hard Disk Drive Specification