IBM DBCA-204860 Hard Drive Specifications - Page 140

Security Erase Prepare

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12.20 Security Erase Prepare (F3h) Command Block Output Registers Register 76543210 Data Feature Sector Count Sector Number Cylinder Low Cylinder High Device/Head 1 1D Command 11110011 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 0V0V 0 V Figure 86. Security Erase Prepare Command (F3h) The Security Erase Prepare Command must be issued immediately before the Security Erase Unit Command to enable device erasing and unlocking. The Security Erase Prepare Command must be issued immediately before the Format Unit Command. This command is to prevent accidental erasure of the device. This command does not request to transfer data. The execution time of this command is shown below. DBCA-206480 DBCA-204860 DBCA-203240 about 15 min about 12 min about 8 min 132 OEM Specifications of DBCA-2xxxxx 2.5 inch H D D

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12.20
Security Erase Prepare
(F3h)
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
11110011
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
V
0
V
Figure 86. Security Erase Prepare Command (F3h)
The Security Erase Prepare Command must be issued immediately before the Security Erase Unit Command
to enable device erasing and unlocking.
The Security Erase Prepare Command must be issued immediately before the Format Unit Command.
This
command is to prevent accidental erasure of the device.
This command does not request to transfer data.
The execution time of this command is shown below.
DBCA-206480
about 15 min
DBCA-204860
about 12 min
DBCA-203240
about 8 min
132
OEM Specifications of DBCA-2xxxxx 2.5 inch HDD