It's been a busy week in the Overclock3D labs... While I'm sure many of you will have relished the warmth and sunshine of the weekend and perhaps a select few of you may have even participated in Sunday's London Marathon too, unfortunately the same cannot be said for our reviewing squad. They have been trapped indoors running a different sort of marathon; an extensive regime of component photography, tweaking and benchmarking. Yes, it's been a tiring week, but it has most certainly paid off as today we're proud to present a fully fledged review of the Asus ROG Crosshair IV Formula 890FX motherboard.Following on from our previously published preview of the motherboard we can safely say that Asus, ROG and the board itself needs no introduction. For those who need a brief reminder of the Crosshair IV Formula's fundamental specifications they are as follows.