15.29.3
Set Max Unlock (Feature = 03h)
see below
Status
1 1 1 1 1 0 0 1
Command
1 - 1 D - - - -
Device/Head
1 - 1 D - - - -
Device/Head
- - - - - - - -
Cylinder High
- - - - - - - -
Cylinder High
- - - - - - - -
Cylinder Low
- - - - - - - -
Cylinder Low
- - - - - - - -
Sector Number
- - - - - - - -
Sector Number
- - - - - - - -
Sector Count
- - - - - - - -
Sector Count
see below
Error
0 0 0 0 0 0 1 1
Feature
- - - - - - - -
Data
- - - - - - - -
Data
7 6 5 4 3 2 1 0
Register
7 6 5 4 3 2 1 0
Register
Command Block Input
Registers
Command Block Output
Registers
V–0––0V000V00000
ERRIDXCORDRQDSCDFRDYBSYAMNT0NABT0IDN0UNCCRC
0123456701234567
Status RegisterError Register
Figure 115. Set Max Unlock (F9h)
The device regards as Set Max Address command, if this command is immediately preceded by a Read
Native Max Address command.
This command requests a transfer of a single sector of data from the host including the information
specified in Figure 111 on page 151 with the stored SET MAX password.
If the password compare fails, the device returns an abort error to the host and decrements the unlock
attempt counter. This counter is initially set to 5 and is decremented for each password mismatch. When
this counter reaches zero, all Set Max Unlock commands are rejected until a hard reset or a power off
occurs.
If the password compare matches, then the device sets the Set Max Unlocked state and all Set Max
commands are accepted.
Deskstar 60 GXP Hard disk drive specification
155
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