I have to switch from NTFS to FAT 16.
I flash the NAND Controller, so the Flashdrive is fully resetet.
Afterward i create new partition table with fat16, set the partition aktive, change the MBR sector. copy my WinCE data and boot the device.
The Problem is that if i do this with microcore the device doesnot boot.
i tried the same procedure with debian and it worked.
So i hope that with newer versions of the tools the procedure will work under microcore.
Debian is to big