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Last week we already extensively covered the interesting overclocking results from 0.0 who overclocked a locked mobile Haswell CPU to achieve a Global First Place in the XTU dual core category. This week we listen to the man himself, Alex, who was kind enough to take the time for an interview.
"... Having the BCLK run at 99.8MHz instead of a nice round 100MHz just doesn't look proper and there is no center spread spectrum to adjust it. The next problem was power throttling. As the CPU relies on a slope value for current, it's easy enough to trick the CPU into thinking it's using less power than it really is and prevent power throttling. However that is not an ideal solution, I don't really want to stress the battery. Power limiting in laptops is ultimately driven by the embedded controller (EC) firmware, so instead I modified that to give control back to the MSR while on AC power ..."
0.0 from Thailand has pushed the dual core Global First Place to over 600 points using his Core i7 4600M mobile Haswell processor. Even though this processor is not unlocked by default, a bug in an early microcode allows for ratio overclocking just like on the K-sku processor series.
There is no doubt that one of the great things about being in Taipei for Computex is the chance to get involved with some truly world-class overclocking. This year’s Computex probably attracted as much in the way of OC talent that has ever been assembled in one place. Big hitters like World No.1 8 Pack and others including der8auer, Vivi, Xtreme_Addict and Dancop to name just a few, were enjoying the island of Formosa, thanks to sponsorships and partnerships with local vendors, many of whom also hosted overclocking events and competitions throughout the week.
The real highlight from an overclocking perspective was doubtlessly the HWBOT World Tour event which kicked off during the days immediately after the show. The World Tour event was hosted at the Taipei Maker Bar located right in the heart of the city, just a few minutes’ walk from the local computer market. The event ran continuously (24 hours around the clock) for three days and was backed by a host of sponsors including ASUS, ROG, HyperX, Seasonic, Dimastech and OverclockingTV.
If you joined HWBOT between three months and one year to date, you fall in the Novice category of overclockers at HWBOT. That means you already have a bit of experience from the Rookie Rumble and are looking for your next challenge in overclocking. The Novice Nimble competition series is set up specifically for this group of people and with this guide we want to help you participate in the Novice Nimble.