CPU with different results on diff. Mobo?

Contrary

Honorable
Jan 26, 2013
15
0
10,510
Forgive me for posting again today, but i want to keep this more CPU specific.
I have an ivy bridge i5 CPU, on one motherboard that i have it stays on and i get no post.
If i try it on the other motherboard i have it goes into an infinite boot loop with no post.
And then i have another ivy bridge CPU that i know works, it goes into the boot loop with the first motherboard, but works fine on the second one.
Both motherboards support ivy bridge.
 

Contrary

Honorable
Jan 26, 2013
15
0
10,510


Board 1: MSI z77a-g41
Ram: Patriot Viper ddr3 1600mhz
Psu: Corsair CX500 500w

Board 2: Gigabyte z68xp-ud3 (updated bios for ivy bridge)
Ram: G.SKILL sniper ddr3 1600mhz
Psu: Antec earthwatts 650w
Hd: Intel 330 180gb ssd
Gpu: Ati 5770

Board 1 was only tested with those three and the onboard graphics