Check out this link where you can see 2007 Gigabytes motherboard!
nForce 680i SLI motherboard â€œGA-N680SLI-DQ6â€
Core 2 E6300 (on CPU-Z the thing of E6200 and misconception recognition as for having done being the ES item is operational cause), the over clock to 2.73GHz
What new Stepping on the E6300 and new Revision B0?? SSE4?!
That's just an old version of CPU-Z.