Quote Originally Posted by Jor3lBR View Post
:"Remember up to the 913 BIOS the actual GTL core functions are mislabeled. The actual core each function relates to is shown below:

CPU GTL 1/3 REF Volt = GTL ref 0/1 (Cores 0 and 1)
CPU GTL 0/2 REF Volt = GTL ref 2/3 (Cores 2 and 3)" http://www.anandtech.com/showdoc.aspx?i=3129&p=14
That was an assumption a lot of us made back then. As the data sheets are very non-descrip for current processors the info was obtained from 771 pin data sheets. I have mapped out the traces on the board and done physical electrical measurements. The BIOS is labeled correctly (as in the P35).