AMD processor PR value calculation formula
[TA / B 266MHz FSB] PR value = (3 * actual frequency) / 2-500; [Barton 333MHz FSB] PR value = (3 * actual frequency) / 2-x; [Barton 400MHz FSB] PR value = (3 * Actual frequency) / 2-100; [Athlon 64 800MHz Hypertransoprt] PR value = (3 * actual frequency) / 2 400 [Athlon 64 1GHz Hypertransoprt] PR value = (3 * actual frequency) / 2 200 X is one Unfixed value 1: TB core XP1800 (3 * 1533MHz) / 2-500=1799.5≈1800 case 2: Barton core XP2500 (3 * 1833MHz) / 2-250 = 2499.5≈2500 case 2: Newstale core A64 3800 (3 * 2400MHz) / 2 200 = 3800
