Re: cpu upgrade question
You've got a 478, so the CPU you've picked out will work just fine.
As for you're actual motherboard model, I am guessing you have a pre-built computer (i.e. Dell, HP, Acer). You can go to the manufacturer's website and look up your specifications on your particular model in order to find out. Odds are it is a version of a standard production model of motherboard that has a crippled BIOS installed (to prevent overclocking), and possibly has had the graphics slot removed.
My Rig: SABLE
Antec 300 Illusion / Antec EarthWatts EA650 650W / EVGA GTX 760 2GB
AMD FX 8320 x8 Black Edition / Gelid Tranquillo / MSI 970A-G43
Sandisk Ultra Plus 128GB / Samsung 840 120GB / WD Black 750GB / WD Green 1TB / WD Red 3TB
G.SKILL Ripjaws 2x2GB DDR3 1600 - Crucial Ballistix Tracer 2x2GB DDR3 1600
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R.I.P. Danny L. Trotter
... 14 Nov 1945 - 4 Sept 2009