Thanks Ed. Just found a pin43 on the hdd. According to at 44 pinout this should be the 'power' side, and u know what? It's on the opposite side of the master/slave block like you said.

I can connect the adapter 2.5 to 3.5 in two orientations. This makes it dangerous to connect the power to the wrong pins. Does anyone have any tips? The drive has 44 + 4 pins plus a missing pin in the bottom row. The adapter unfortunately has all 44 holes!!

Might be able to provide some info. My rig: asus a8n-sli deluxe in coolermaster stacker case with crossflow fan. I replaced the stock heatsink with a zalman nb47 blue passive cooler using arctic silver 5. I monotor the temperature with an analogue temp sensor (t-balancer)located on the bottom of the...