So, i'm gonna buy some more RAM. Do I have to put the Dimms in pairs, like
slot1: 256MB (current)
slot2: 256MB (current)
slot3: 256MB (current)
slot4: 256MB (new)
or is it o.k., buying a bigger one and put it in like
slot1: 256MB (current)
slot2: 256MB (current)
slot3: 256MB...