Set Max Lock (Feature = 02H); Figure 122. Set Max Lock - IBM DTLA-305040 - Deskstar 41.1 GB Hard Drive Specifications

12.29.2 Set Max Lock (Feature = 02h)

Command Block Output Registers
Register
Data
Feature
Sector Count
Sector Number
Cylinder Low
Cylinder High
Device/Head
Command
Error Register
7 6 5
CRC UNC 0
0 0 0

Figure 122. Set Max Lock

The device regards as Set Max Address command if this command is immediately preceded by 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 com-
mand.
7 6 5 4 3 2 1 0
- - - - - - - -
0 0 0 0 0 0 1 0
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
1 - 1 D - - - -
1 1 1 1 1 0 0 1
4 3 2 1 0
IDN 0 ABT T0N AMN
0 0 V 0 0
Deskstar 40GV & 75GXP hard disk drive specifications
Command Block Input Registers
Register
Data
Error
Sector Count
Sector Number
Cylinder Low
Cylinder High
Device/Head
Status
Status Register
7 6 5 4
BSY RDY DF DSC
0 V 0 –
160
7 6 5 4 3 2 1 0
- - - - - - - -
see below
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
1 - 1 D - - - -
see below
3 2 1 0
DRQ COR IDX ERR
– 0 – V