I used AMD Phenom II X6 1090T CPU on my Asus M5A87 Motherboard in last six month. Two days before i just finished overclokgin on it. Now it works with to 4.0ghz and more. AFter finishing this task successfully i found that the Multiplier dropping during Prime95 from 20.0x to 4.0x. I need some expert suggestions that works to fix this compelx issue. 1333mhz Pny Ram (2x4gb), Gigabyte GTX 560 OC with H80 cooling system presents on it. 52 C is the maximum load temp of this CPU. Is it a cooling issue or a mobo throttling issue? Need valuable information that fix my issue. Thanks.