Originally Posted by boost mad
will only run dual channel if they are a matched pair, and considering they were brouht seperatly i doubt they are.................... maybe rong tho

No they are not
whats the rest of the system spec as this may explain why your memory is running slower than what it can. the motherboard is most probably 333Mhz max for memory. was it running at 333Mhz when you had only one stick installed?
Yes.