I have been running into all kinds of errors and BSOD when I use the 3rd DIMM slot. You can look below in my sig and see the hardware specs... I know that in the past many motherboards didnt like it when you used that 3rd slot for RAM, is that still the case ? It doesnt matter what stick I use, but when I put the last stick of 512MB in, I start running into errors... Any ideas, thoughts ?? I know it isnt the absolute best motherboard on the market, but it is a good one..