ASUS P5K Premium Motherboard Reviewccokeman - October 15, 2007
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The processor used in this motherboard has proven stable on another platform at 3960 MHz. What I experienced with this board was that I could run all of the testing at a higher front side bus that any of the other motherboards I have run to date. The board allowed me to run game stable at a FSB of 500 on the processor and 600 FSB on the memory. Pretty lofty achievements when you consider that this board was tested as an air cooled setup. That equates to a processor speed of 4000 MHz for those that don't want to do the math. The highest FSB that I could boot with was 524MHz x 7. This was 10 MHz faster than any other P35 chipset board I have used. While testing this board, something that really surprised me was the fact that at this speed I needed a huge decrease in CPU core voltage. The processor only needed to be run at 1.5 volts to achieve this level of performance. The previous best speed required 1.575 volts to the core to get into the operating system. One factor that helped that along would be the voltage dampener. This allowed the vdroop experienced on many manufacturers motherboards, including those from Asus, to be dialed out of the equation. Setting many of the options in the BIOS to auto will give you a great performance baseline. I can say that by setting the parameters manually allowed for better clock speeds and increased performance. Here are a couple shots to whet your whistle. Prime stable at 3800MHz and Game stable at 4000 MHz (500x600).