(Nice to be back after a while - no computer probs!).
I've got a HP Vectra VL400 PC. I have 256 MB RAM spread over the two slots. According to HP it will take 512 MB max. Could this all go in one slot, or would I have to get 2 x 256 MB?
Also, briefly, what's the deal with 'double-sided'. Is it better/worse/preferred/no different?