I have 2x256mb ddr400 modules on my setup(asus a7n8x),one on slot 1 and the other on slot 2.Is it possible for me to add one more stick of 512mb ddr400 to my system for a total of 1gb. I'm thinking of placing the two 256mb sticks in slot 1 and 2, and the 512mb on slot 3. I'm asking this because from the specs, it states that the board supports 3 ddr 266/333 modules and 2 ddr400 modules. That's all i need to know...Thanks
You are making the right choice. Adding a 512MB stick, placing it in the offset memory slot and placing the two 256MB sticks in the two remaining slots would result in the full 1GB in Dual DDR. I've seen folks running three sticks with the memory speed around 400MHz (DDR400), so everything looks ok to me.