Ok, while I don't really NEED to know this, I really would like to know how the hell I'm supposed to tell just by looking at a DIMM.<BR><BR>tl;dr version:<BR><BR>So I'm still using an old ASUS P4B266 ...

I've used dummy RAM kits before. Usually, a pair of DIMMs that contain no memory chips is simply acting as a shell to match other functioning DIMMs in the remaining slots, often with RGB lighting to ...