I assume your reading the system settings off the bios menu. if you are, then your FSB should be set to 166. Then you will be running at the full speed. The 2500xp runs at a clock speed of 1866mhz, not at 2500mhz.
AMD Radeon Adrenalin release date, new features, compatible graphics cards
8 brilliant character artists speaking at Pictoplasma 2018
iMac Pro release date, UK price & specs
Football : comment regarder la Ligue 1 en direct ?