Psion 8585, Руководство пользователя

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Appendix A: Psion Config Program
Enhanced Write Filter
A-23
Psion 8585/8595 Vehicle-Mount Computers User Manual
A.13 Enhanced Write Filter
Write protection is enabled and managed in the Enhanced Write Filter menu. This allows you to protect the
system against modification of any kind. All write accesses or modifications on an activated EWF drive will
be discarded with the next restart.
EWF settings are not saved or loaded to import/export configurations (see “Settings” on page A-27).
Figure A.15 Enhanced Write Filter menu
The computer's EWF drives are displayed in the EWF Drives field (there is usually only one). The settings
below apply to the EWF drive selected here.
A.13.1 Set Boot Command (BootCmd)
• Click Set Command to apply the settings.
• Click the Exec. Restart button to restart the computer and activate the settings.
Note: The Enhanced Write Filter menu is only relevant for the embedded operating systems
(Microsoft Windows XP Embedded and WES 7)!
If EWF is not installed, no changes can be performed.
Parameter Description
No command The set boot commands are deactivated again.
Activate write protection
(ENABLE)
Activates write protection: All system changes are written exclusively to the
main memory; they are discarded when the computer is restarted.
To activate this setting, reboot the computer!
Deactivate write protection (DIS-
ABLE)
Disables write protection.
To activate this setting, reboot the computer!
Deactivate and take over (DIS-
ABLE+COMMIT) This setting is a combination of Deactivate write protection and Take over
changes : Write protection is deactivated; changes are applied.
Take over changes
Temporarily deactivates write protection in order to commit current changes to
the system. Once finished, write protection is immediately active again.