1. with the KB9028 BGA removed, it is easy to ring the desired pair of signals to the keyboard connector. and manually enter the new desired line in the text document of the Vertyanova program.
just need to ring a couple of signals.
KSO3=? KSI4=? KSI7=? KSI6=? KSI5=?
2. all such questions are best asked on Vertyanov's page
viewtopic.php?f=170&t=15912