can i use ddr2 and ddr3 ram together same time in gigabyte g41m?
you can't mix and match different types of memory. the cpu is designed to address one type of memory at a time. the memory type option is there to give users choice to use then-existing DDR2 ram without buying new and more expensive (at that time) DDR3 ram.
(Note: Mixed mode, populating DDR2 and DDR3 memory modules simulta- neously is not supported. Go to GIGABYTE's website for the latest supported memory speeds and memory modules.)