I'd go with batuchka's advice the MCP6p does not support the Phenom or Phenom II processors.
http://www.biostar.com.tw/app/...u_support.php?S_ID=315
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Athlon 64 X2 4800 @ 3000mhz, Arctic Cooling Freezer 64 Pro, Biostar 520 A2, 2x1gb G.Skill DDR2 800, EVGA 8800 GT, Corsair VX450, Cooler Master Centurion 534,
Phenom II 720 @ 3700mhz, Zigmatek Dark Knight S1283V, EVGA 730a, 2x2gb G.Skill PI-Black DDR2 1066, EVGA GTX 260, Corsair VX550, CM 690 Case