請先看『使用說明』

From LEXWiKi

What is EWF?

Please refer to the EWF_module.

How many modes of EWF does WES7 have?

There are only Ram-Reg mode in WES7.

How can I install EWF in WES7 by IBW CD?

1.Please choose "Enhanced Wrete Filter with HORM" in "Feature Packages -> Embedded Enabling Features"

2.Please choose "Enhanced Write Filter Boot Environment" in below selection.