Datasheet
KingSpec
KingSpec
KingSpec
KingSpec Electronics
Electronics
Electronics
Electronics Technology
Technology
Technology
Technology Co.,
Co.,
Co.,
Co., Ltd.
Ltd.
Ltd.
Ltd.
Solid
Solid
Solid
Solid State
State
State
State Drive
Drive
Drive
Drive
ADD:501#, Pioneering Park, University
Town
,
LiShan Rd., Nanshan, Shenzhen,
P.R.
China
Tel:+86 0755-2698 5376 Fax:+86 0755-2698 5365 Website : w w w.kingspec.com
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table, to the drive. The transferred data contains a user or master password, which the
drive compares with the saved password. If they match, the drive deletes user data,
disables the user password, and cancels the lock. The master password is still save d. It is
re-enabled by issuing the SECURITY SET
PASSWORD command to re-set a user password.
SECURITY
SECURITY
SECURITY
SECURITY FREEZE
FREEZE
FREEZE
FREEZE LOCK
LOCK
LOCK
LOCK (F5h)
(F5h)
(F5h)
(F5h)
Causes the drive to enter Frozen mode. Once this command has been executed, the
following commands to update a lock result in the
Aborted Command error:
● SECURITY SET PASSWORD
● SECURITY UNLOCK
● SECURITY DISABLE PASSWORD
● SECURITY ERASE PREPARE
● SECURITY ERASE UNIT
The drive exits from Frozen mode upon a power-off or hard reset. If the SECURITY
FREEZE LOCK command is issued when the drive is placed in Frozen mode, the drive
executes the command, staying in Frozen mode.
SECURITY
SECURITY
SECURITY
SECURITY SET
SET
SET
SET PASSWORD
PASSWORD
PASSWORD
PASSWORD (F1h)
(F1h)
(F1h)
(F1h)
This command set user password or master password. The host outputs sector data
with PIO data-out protocol to indicate the information defined in the following table.
SECURITY
SECURITY
SECURITY
SECURITY UNLOCK
UNLOCK
UNLOCK
UNLOCK (F2h)
(F2h)
(F2h)
(F2h)
This command disable LOCKED MODE of the device. This command transfers 512
bytes of data from the host with PIO data-out protocol. The following table defines the
content of this information.
SEEK
SEEK
SEEK
SEEK (7xh)
(7xh)
(7xh)
(7xh)
This command is effectively a NOP command to the device although it does perform a
range check.
SET
SET
SET
SET FEATURES
FEATURES
FEATURES
FEATURES (EFh)
(EFh)
(EFh)
(EFh)
This command set parameter to Features register and set drive!fls operation. For
transfer mode, parameter is set to Sector Count register. This command is used by the
host to establish or select certain features.
Features
Features
Features
Features register
register
register
register Value
Value
Value
Value and
and
and
and settable
settable
settable
settable operating
operating
operating
operating mode
mode
mode
mode
Value
Value
Value
Value
Function
Function
Function
Function
02h
Enable write cache
03h
Set transfer mode based on value in sector Count register
55h
Disable read look-ahead feature
82h
Disable write cache
AAh
Enable read look-ahead feature