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Chapter 5 Windows XP Embedded
5.1 EWF
EWF stands for Enhanced Write Filter. It provides an upper filter in the storage device driver stack that redirects disk write operations to volatile (RAM) or
Enable
Advantech provides a pair of utilities to operate EWF, OSLock and OSUnLock. The setting is stated in the section later.
5.2 HORM
HORM stands for Hibernate Once Resume Many. In HORM environ- ment, a single hibernation file is used to boot the system repeatedly. To set a HORM environment, please follow the steps below.
Please make sure EWF is disabled. You can run OSUnLock to disable EWF.
Enable hibernation support:
Run ‘power options’ in control panel, and then select ‘Enable Hiberna- tion’ in hibernation pane.
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