Hello! I recently aquired a small form factor emachines system and transplanted the motherboard to a somewhat custom case to use it as a htpc. I installed a phenon x4 9550 in it and removed the shitty small original cooler and proprietary backplate and mounted a lga775 cooler to cool the new chip. The board works fine with the chip installed, with the caveat that only a single core seems to be running on the processor. the boards model number is dao61/087l. any help would be greatly appreciated!

I installed a athlon II x2 235e which I had lying arround and it seems to work fine, it is running on both cores. Interesting how the newer athlon II works but not the Phenom. thank you for your input though!