O12JY19USA is Flash in Windows utility.
O12KT19A is the binary image. (BIOS)
NOTE: All changes carry forward. That is, if a change is added in 01,it is also in 02, 03 etc.
This file will be updated from the beginning with first Production BIOS release
CHANGES for O12KT19A
01.Add 2015 Q2 security patch.(issue 2)
CHANGES for O12KT17A
01.Add Intel Technical Advisory Sep. and Oct. Security Issue Fix