If my board has 4 slots and I want to add 3GB of RAM do I populate them with
A. 2x 1GB and 2 X 512MB?
B. 2x 1GB and 1x 2GB leaving one slot empty?
C. 3x 1GB and leaving one slot empty?
D. 4x 1GB even though XP Pro won't see the 4th Module?
Will 4th Gig of RAM be seen in Linspire (Linux)?