Overclocking ASRock's A75M
ASRock doesn’t let a low price stand in the way of an overclocker’s desires, instead equipping the A75M with most of the settings needed to extract optimal performance from the finished build.
Builders can set the CPU multiplier up to 47x, and CPU-Z even shows the added frequency. However, our multiplier-locked processor stayed true to its 26x ratio, in spite of that errant reading (as determined by benchmarking the overclocked system). The only useful method for overclocking is via the APU's reference clock, and the A75M is very good at using this method.
Our VGA output stopped working above a 107 MHz base clock setting, necessitating the use of HDMI to retain integrated GPU functionality.
The A75M even includes CPU Load-Line Calibration to assist in the removal of “droop” under high CPU loads. We didn’t need it, as the board pushed our CPU to 1.40 volts under four threads of Prime95 using its 1.365 V core setting.
Primary and secondary memory timings are also adjustable within realistic ranges. Each menu item must be changed from “Auto” to “Manual” to reveal a second menu beneath it.
Qne question, what does the APU,( either the A6 or the A8), have on F@H applications?
I know F@H is a great cause, might cure cancer etc, but wouldn't it be more geeky to search for radio signals of little green men?
I checked the CPU reviews and didn't see anything there either. You know it's going to be low utilization for these processors, which means it will be closer to the idle power than to the full-load power...
I think micro atx fits into plenty of SFF cases. Maybe we need to redefine..
I'd like to see a showdown of mini itx boards though, I think Anand did something like that recently. That's probably where the A8 CPU's need to go head to head with atom anyway, most reviews I've seen show the CPU's aren't all that cut out for desktop. Maybe the next batch that comes out in Q4/Q1 2012 will be better for desktop.
1.) SFF originally stood for Shuttle Form Factor and was proprietary, using 2-slots.
2.) It was copied by companies like First International Computer and AOpen
3.) AMD established a standard for "open architecture" systems of similar design, called DTX.
4.) ITX is smaller than DTX and fits DTX cases.
Notice this has nothing to do with Micro ATX. People who claim that anything shaped like a cube is SFF need only be shown a full ATX cube before they start making excuses. People who point to horizontal cases and say SFF need only look at ancient AT desktops before they're forced to come up with excuses.
2-slots. That's what makes Shuttle copies different from everything else. Cubes can be any "size", HTPC's can be any "size", if SFF is a size standard it can only be used to apply to two-slot cases.
Some competitors have been trying for years to expand the definition of SFF. They are, of course, wrong.
Nobody's perfect, one of Tom's old team members once said that barebones always refers to SFF systems (even though full sized barebones existed long before SFF). But at least Tom's tries to fix those types of errors rather than force them into the vernacular.
I'm just asking people to be specific. If you mean cube, say cube. If you mean desktop, say desktop. If you mean mini-tower, slim tower, or slim desktop, just say it. Then apply a form factor "Mini ITX slim tower" or "Micro ATX desktop". And if you're saying "SFF" rather than media center, well it's obvious that SFF can do other things so just be specific and say media center.
If you're not specific, you might find yourself in a discussion about what the meaning of "is" is.
Would love to see some benches on the gigabyte with those max overclock numbers as the GPU would benefit greatly from the memory oc.