What is most likely the problem? Gregor installed the third stick of known-good RAM into his Athlon 64 system, bringing the total amount of RAM up to 768 MB. Within a few days, though, he started having random lockups and reboots, especially when doing memory intensive tasks like gaming.
A. Gregor installed DDR RAM into a DDR2 system. B. Gregor installed DDR2 RAM into a DDR system. C. Gregor installed RAM that didn’t match the speed or quality of the RAM in the system. D. Gregor installed RAM that exceeded the speed of the RAM in the system.