these days strap has only minor changes on board since the big one that was traditionally rolled in used to be tRD. Now that it's pulled out, the chipset strap is mostly just for setting memory dividers. I believe it also affects the phase offset applied for clock splitting on the MCH. I think instabilities that come out from these phase offsets are what causes FSB "holes" the majority of the time. Playing with GTL adjustments and timing offsets can sometimes bring you back into a stable regime but this still ends up being wandering in the dark unless you have a good oscilloscope handy.
Main-- i7-980x @ 4.5GHZ | Asus P6X58D-E | HD5850 @ 950core 1250mem | 2x160GB intel x25-m G2's |
Wife-- i7-860 @ 3.5GHz | Gigabyte P55M-UD4 | HD5770 | 80GB Intel x25-m |
HTPC1-- Q9450 | Asus P5E-VM | HD3450 | 1TB storage
HTPC2-- QX9750 | Asus P5E-VM | 1TB storage |
Car-- T7400 | Kontron mini-ITX board | 80GB Intel x25-m | Azunetech X-meridian for sound |
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