pc700

hi my system config. is intel 850 MV motherboard, p4 1.7 ghz, 128*2 MB RDRAM pc700 now i want to upgrade my ram of 256*2 mb RDRAM pc800 i want to know if pc700 and pc800 ram modules will work togather currently memory is installed in my system as bank 0 rimm 1- 128mb pc700 rimm 2-...