IBM DTCA-24090 Hard Drive Specifications - Page 140

Security Freeze Lock F5h

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12.22 Security Freeze Lock (F5h) Command Block Output Registers Register 76543210 Data Feature Sector Count Sector Number Cylinder Low Cylinder High Device/Head 1 1D Command 11110101 Command Block Input Registers Register 76543210 Data Error ...See Below... Sector Count Sector Number Cylinder Low Cylinder High Device/Head Status ...See Below... Error Register 76543210 CRC UNC 0 IDN 0 ABT T0N AMN 00000V00 Status Register 76543210 BSY RDY DF DSC DRQ COR IDX ERR 0V0 0 V Figure 84. Security Freeze Lock Command (F5h) The Security Freeze Lock Command allows the device to enter frozen mode immediately. After this command is completed, the command which updates Security Mode Feature (Device Lock Function) is rejected. | Frozen mode is quitted only by Power off or Hard Rest. The following commands are rejected when the device is in frozen mode. For detail, refer to Figure 52 on page 82. Security Set Password Security Unlock Security Disable Password Security Erase Unit 132 OEM Specifications of DTCA-2xxxx 2.5 inch H D D

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12.22
Security Freeze Lock (F5h)
Command Block Output Registers
Command Block Input Registers
Register
76543210
Register
76543210
Data
Data
Feature
Error
...See Below...
Sector Count
Sector Count
Sector Number
Sector Number
Cylinder Low
Cylinder Low
Cylinder High
Cylinder High
Device/Head
1
1D
Device/Head
Command
11110101
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
Figure 84. Security Freeze Lock Command (F5h)
The Security Freeze Lock Command allows the device to enter frozen mode immediately.
After this command is completed, the command which updates Security Mode Feature (Device Lock Func-
tion) is rejected.
|
Frozen mode is quitted only by Power off or Hard Rest.
The following commands are rejected when the device is in frozen mode.
For detail, refer to Figure 52 on
page 82.
Security Set Password
Security Unlock
Security Disable Password
Security Erase Unit
132
OEM Specifications of DTCA-2xxxx 2.5 inch HDD