IBM IC35L040AVVN07-0 Hard Drive Specifications - Page 172

Set Max Set Password Feature = 01h

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11.30.1 Set Max Set Password (Feature = 01h) Command Block Output Registers Register 76543210 Data -------- Feature 00000001 Sector Count Sector Number Cylinder Low Cylinder High Device/Head 1-1D---- Command 11111001 Command Block Input Registers Register 76543210 Data -------- Error see below Sector Count Sector Number Cylinder Low Cylinder High Device/Head 1-1D---- 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 133. Set Max Set Password If this command is immediately preceded by a Read Native Max Address command, the device regards it as a Set Max Address command This command requests a transfer of a single sector of data from the host including the information specified in Figure 134 on page 158. 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 134. Set Max Set Password data contents Deskstar 120GXP hard disk drive specifications 158

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11.30.1
Set Max Set Password (Feature = 01h)
see below
Status
11111001
Command
1-1D----
Device/Head
1-1D----
Device/Head
--------
Cylinder High
--------
Cylinder High
--------
Cylinder Low
--------
Cylinder Low
--------
Sector Number
--------
Sector Number
--------
Sector Count
--------
Sector Count
see below
Error
00000001
Feature
--------
Data
--------
Data
76543210
Register
76543210
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 133. Set Max Set Password
If this command is immediately preceded by a Read Native Max Address command, the device regards it
as a Set Max Address command
This command requests a transfer of a single sector of data from the host including the information
specified in Figure 134 on page 158.
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 134. Set Max Set Password data contents
Deskstar 120GXP hard disk drive specifications
158