how do u change the bus speed of a motherboard because i think that my motherboard is at 200mhz bus speed and i want to change it to 266mhz and i know thats possible. and one last thing what is the bus speed of a Athlon XP-M 2500+
FSB is front side bus speed. If you want 266, you just set it as 133 (133x2=166).
If you chip is a Mobile Athlon 2500+, it is on 266. By the way, you need to change core voltage as well. Desktop 2500, 333 at 1.65v, but Mobile 2500 runs 266 at 1.45. So multiple will be different as well: desktop x11, mobile x13.5
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