I have DFI LT X48-T2R and update the lastest BIOS.
I use this mobo with Q9550 (C1), I can't boot when I set vCore = 1.45v +. My PC reboot, reboot and reboot.
But set 1.4v and + 107% (~ 1.5xv) everything is OK.
Help me.
Sorry my bad English.