Hi, Sorry if this was asked before, but I missed it. I have a system here with multiple boot. Win 7 ultimate, 8.1 pro, 10 pro, and Ubuntu Linux. At the moment 7 and 10 are working 8.1 KMS is broken. Doing a Bios mod for my P5E deluxe if available, will this affect the other two windows installs? If this can be done on this system can you please point me to the proper files for the modification? Thanks for the help My system Info: ASUSTeK Computer INC. P5E Deluxe Rev 1.xx 3.00 gigahertz Intel Core2 Duo 64bit 4096 Megabytes Usable Installed Memory BIOS: American Megatrends Inc. 0304 11/27/2008