iPXE boot to Windows writing back to boot device

[SameGuyAsBefore]

Wow, you guys move quickly thanks. It does seem like what you describe, if wimboot is in ramdisk then windows has just moved onto the next available disk (/dev/sda). Very rude of windows to behave like that.

We'll have a look at the fakewrite now and let you know how it goes.

Cheers,
Pete.

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Michael we dropped in your prebuilt wimboot, but got the same result. on /dev/sda 0x440 it (we think windows) writes 4 bytes. For reference we're using Win Embedded 7 as well. It seems to be just after the windows loader bar displays that it happens.

So I wonder is windows supposed to remember the bytes it destroys and writes them back at the end of success. If so, our windows image might not be doing that correctly. As much as I dislike the thought of windows writing to CF at all, letting it write twice might help....

two wrongs make a write! :-)