I have a Quicksilver 867 running 10.3.2 and I noticed that System Profiler shows 4 DIMM slots. I have 3 - 512 MB modules in it now. It shows DIMM3/J24 as empty. As far as I know my QS 867 only has 3 slots. Why does it show 4? Anyone know? Anyone else notice this same thing? Thanks.