now i get it, i must write the cf using a normal cf to usb adatper not the same adpater i used to read the ID sector
it seems I have been able to write it, now I test it
C:\>gcfi -r -p -s 0x3434 -d v:\ -l ABC.BIN -g ck.bin
os version : 10.0 (19045)
logical drive : v:\
physical drive: 3
size...