IBM DTLA-305040 Hard Drive Specifications - Page 171

Set Max Set Password Feature = 01h, Native Max Address command.

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12.29.1 Set Max Set Password (Feature = 01h) Command Block Output Registers Register 7 6 5 4 3 2 1 0 Data Feature 0 0 0 0 0 0 0 1 Sector Count Sector Number Cylinder Low Cylinder High Device/Head 1 - 1 D - - - - Command 1 1 1 1 1 0 0 1 Command Block Input Registers Register 7 6 5 4 3 2 1 0 Data Error see below Sector Count Sector Number Cylinder Low Cylinder High Device/Head 1 - 1 D - - - - Status see below Error Register 76543210 CRC UNC 0 IDN 0 ABT T0N AMN 00000V00 Status Register 7 6 5 4 3 2 10 BSY RDY DF DSC DRQ COR IDX ERR 0 V 0 - - 0 -V Figure 120. Set Max Set Password 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 121 on page 0. The password is retained by the device until the next power cycle. When the device accepts this command, the device is in Set_Max_Unlocked state. Word 00 01-16 17-255 Description Reserved Password (32 byte) Reserved Figure 121. Set Max Set Password data contents Deskstar 40GV & 75GXP hard disk drive specifications 159

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12.29.1
Set Max Set Password (Feature = 01h)
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 0 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
–
–
0
V
0
0
0
V
0
0
0
0
0
ERR
IDX
COR
DRQ
DSC
DF
RDY
BSY
AMN
T0N
ABT
0
IDN
0
UNC
CRC
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
Status Register
Error Register
Figure 120. Set Max Set Password
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 121 on page 0.
The password is retained by the device until the next power cycle. When the device accepts this com-
mand, the device is in Set_Max_Unlocked state.
Reserved
Password (32 byte)
Reserved
00
01-16
17-255
Description
Word
Figure 121. Set Max Set Password data contents
Deskstar 40GV & 75GXP hard disk drive specifications
159