This has probably been mentioned elsewhere, but this is what I did to an MSI 7061 (KM4M-V) board to permit a stable overclock of an Athlon XP2000 (266 FSB) to an XP2600 (333 FSB). I populated the six 0603-outline ceramic bypass capacitors directly below the socket with 4.7uF/6.3 X5R ceramics with measured ESR of ~0.4 ohms each. The ESR specs aren't great, but six of them in parallel very close to the pins of the CPU appear to help greatly. Not only does it overclock stably, the idle CPU temperature dropped from 60c (too hot) to 57c (still hot, but better) with no other changes.
I'm not sure if these ceramics bypass Vcore or 3.3Vdd, but they seem to work regardless.
I'm not sure if these ceramics bypass Vcore or 3.3Vdd, but they seem to work regardless.
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