You can delete those files. Those are the original & modified versions of the 1B module. It's extracted from original bios, slic is written in it, and then it's reinserted into the bios replacing the previous version. They are just left behind for those who want to compare the changes made to it.
Zort, THANKS !, well the taxi is here and time to go to the airport. Ok, what confused me was the fact that only on the P5QL PRO did this. The P5B Deluxe did not have these after conversion. It must be different things due to different motherboards? Cheers and talk to you all when back