Overclocking?

[FallOutBoyTonto]

If someone with an IGP board and does some overclocking with a utility like 'cool bits';what exactly is being overclocked? Is it the northbridge? Would the whole chipset be overclocked or just the part that handles graphics?

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[Crashman]

The graphics card has it's own clock crystal, which leads me to believe it also has it's own clock generator. So the motherboard itself should be unaffected.

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