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|31st October 2008, 16:36||#1|
Join Date: May 2002
AMD's 790GX chipset - Foxconn A7DA-S motherboard review
It's been a while since we last took a look at a motherboard supporting AMD's Phenom processors, but today we get to put Foxconn's A7DA-S offering through its paces - An interesting proposition, given that this motherboard makes use of AMD's latest 790GX chipset, giving it an integrated graphics core complete with 128MB of sideport memory, together with an SB750 south bridge that includes Advanced Clock Calibration functionality, promising a hefty increase in the overclocking potential of Phenom CPUs on this system. Does it live up to that promise? That's what we're here to find out.
I'd love to spend some time discussing the technical details of how Advanced Clock Calibration works - Except we don't actually know. How ACC does what it does is a well-kept secret at the moment, but the general consensus is that this functionality uses six previously unused pins on the southbridge to perform some kind of additional tweaking to the CPU. These changes allow for some supposedly significant improvements (AMD quotes in the region of an extra 200MHz) to the overclocking potential of Phenom CPUs, making the use of an SB750-equipped system with a Phenom Black Edition processor a particularly exciting prospect - Needless to say we'll be taking a look at how ACC affects overclocking with just such a configuration during the course of today's review.
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