!
!     # ABOUT B0/U0 REVISIONS.
!
!     There are 2 revisions of Coffee Lake CPUs for now:
!
!     B0 - Has "old" textolite, same as skylake/kabylake CPUs, and assigned with 906EB mCode.
!          It's easy for mod bios and not needed any shorting/isolating work. Almost all of 
!          i3/Pentium/Celeron use it.
!
!     U0 - Has "new" textolite with a bit other pinout, needs 906EA mCode. Requires change SKU to
!          Z370, and shorting/isolating some pins, board vendor depends. All i5 and i7 has this one.
!
!     According official info i3-8100, G5400 and G5400T can use both revisions.
!
!     Good news: All known i3-8100 has B0 revision and Pentium G5400/G5400T - U0. There are
!                no noticed incidents with i3-8100-U0, G5400-B0 or G5400T-B0 at the moment.
!                So we can expect that i3-8100 will require B0-mod and G5400/G5400T - U0-mod.
!
!     Bad news: You can become first who tell to community about rare samples.
!
!     CPU revision can be identify by visual. Check out comparison image.
!