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F-240 Datasheet(PDF) 33 Page - List of Unclassifed Manufacturers

Part # F-240
Description  F-240 Series – Industrial CFastTM Card with SATA interface
PDF  55 Pages
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Manufacturer  ETC2 [List of Unclassifed Manufacturers]
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F-240 Datasheet(HTML) 33 Page - List of Unclassifed Manufacturers

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Swissbit AG
Swissbit reserves the right to change products or specifications without notice.
Revision: 0.90
Industriestrasse 4
CH-9552 Bronschhofen
www.swissbit.com
F-240_data_sheet_CA-HxBV_Rev090
Switzerland
industrial@swissbit.com
Page 33 of 55
Table 46: Security Set Password
Task File Register
7
6
5
4
3
2
1
0
COMMAND
F1h
DRIVE/HEAD
1
LBA
1
D
nu
CYLINDER HI
nu
CYLINDER LOW
nu
SECTOR NUM
nu
SECTOR COUNT
nu
FEATURES
nu
Table 47: Security Set Password Data Content
Word
Content
0
Control word
Bit 0:
identifier
0=set User password
1=set Master password
Bit 1-7: Reserved
Bit 8:
Security level
0=High
1=Maximum
Bits 9-15: Reserved
1-16
Password (32 bytes)
17-255
Reserved
Table 48: Identifier and Security Level Bit Interaction
Identifier Level
Command result
User
High
The password supplied with the command shall be saved as the new User password. The lock mode
shall be enabled from the next power-on or hardware reset. The CFAST card shall then be unlocked
by either the User password or the previously set Master password.
User
Maximum The password supplied with the command shall be saved as the new User password. The lock mode
shall be enabled from the next power-on or hardware reset. The CFAST card shall then be unlocked
by only the User password.
The Master password previously set is still stored in the CFAST card shall not be used to unlock the
CFAST card.
Master
High or
Maximum
This combination shall set a Master password but shall not enable or disable the Lock mode. The
security level is not changed.
6.30 Security Unlock (F2h)
This command requests transfer of a single sector of data from the host. Table 42 defines the content of this
sector of information. If the identifier bit is set to Master and the device is in high security level, then the
password supplied shall be compared with the stored Master password. If the device is in the maximum security
level, then the unlock command shall be rejected. If the identifier bit is set to user, then the device compares
the supplied password with the stored User password. If the password compare fails then the device returns
command aborted to the host and decrements the unlock counter. This counter is initially set to five and is
decremented for each password mismatch when Security Unlock is issued and the device is locked. Once this
counter reaches zero, the Security Unlock and Security Erase Unit commands are command aborted until after a
power-on reset or a hardware reset is received. Security Unlock commands issued when the device is unlocked
have no effect on the unlock counter.
Table 49: Security Unlock
Task File Register
7
6
5
4
3
2
1
0
COMMAND
F2h
DRIVE/HEAD
1
LBA
1
D
nu
CYLINDER HI
nu
CYLINDER LOW
nu
SECTOR NUM
nu
SECTOR COUNT
nu
FEATURES
nu



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