Originally posted by buyxgmistake
Guaranteed compatible with PC3200 motherboards
, not other RAM. When you mix RAM, you mix voltages and timings as well. For example, if your old RAM has 3-4-4-8 timings with 2.7v, and the new RAM has 2.5-3-3-7 timings with 2.6v, it's simply not going to work. Mixing RAM is never a good idea.