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When over clocking is it safer or more effective to increase FSB or multiplier, or a mix of both I need tips to increase my current over clock safely

asked Jun 09 '10 at 21:01

Headwards's gravatar image


When overclocking, generally I lower the multiplier to its minimum, then boost the FSB to the next "level". Typically, each level is 33MHz or 66MHz apart.

After you boost up a level, slowly increase the multiplier until you reach an unstable level. Then, go back a notch. Be sure to adjust RAM dividers to keep the level as close as possible to the recommended frequency (unless you want to overclock your RAM, but that should be done separately).

After this process, you will have the maximum stable multipliers for various FSB's at 33MHz or 66MHz increments (or whatever increment you chose). You can then decide which FSB you'd like (usually 200, 333, and 400 are nice numbers, especially because they align well with common RAM frequencies (667MHz and 800MHz)). Benchmarking your top picks is probably a good idea to find the absolutely optimal FSB and multiplier.

Remember: proper overclocking takes patience.

answered Jun 09 '10 at 21:33

strager's gravatar image


edited Jun 09 '10 at 21:34

How ironic; I now have 366 karma. =]

(Jun 09 '10 at 21:42) strager strager's gravatar image

FSB . so everything on the bus is running faster, using multiplier is internal to ram and cpu only

answered Jun 09 '10 at 21:03

iscifitv's gravatar image


Good point, but all that matters is memory and CPU everything else just needs to keep pace right?

(Jun 09 '10 at 21:27) Headwards Headwards's gravatar image

Actually, RAM and CPU multipliers are independent of each other. Both RAM and CPU clock speeds do depend on the FSB, however.

(Jun 09 '10 at 21:29) strager strager's gravatar image
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Asked: Jun 09 '10 at 21:01

Seen: 2,273 times

Last updated: Jun 09 '10 at 21:42