TREK-775/TREK-776 User Manual
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Appendix C Win XP Embedded Features
Setting
C.1 Enhanced Write Filter (EWF)
C.1.1
Introduction
Enhanced Writer Filter (EWF) is a feature supported by Windows XP
Embedded and it provides the ability to write-protect a run-time image.
By redirecting all write requests to RAM, the EWF allows the run-time
image to maintain the appearance of a writeable run-time image, prevent-
ing any damage that might be caused by unexpected power failure, vibra-
tion or virus attack.
Advantech provides a utility called “Advantech EWF Manager” to help
adjust the EWF setting. The instructions follow below.
C.1.2
Setting up the Advantech EWF Manager
1.
Start the “Advantech Enhanced Write Filter Manager” from the
“Start menu.”
Figure C.1: Advance Enhanced Write Filter Manager
Содержание TREK-775
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