This article via: World record: Intel CPU overclocked to 6.92 GHz A
Intel CPU overclocked to 6.92 GHz A
The CPU has completed the SuperPi-1M benchmark with a new world record in 6.344 seconds. Hyper and Turbo mode were not at 6.92 GHz. For cooling, liquid nitrogen was used to -185 °C.
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The techies of Xtreme Systems has succeeded in the Nehalem architecture based on the Intel-processor-core i5 overclock to 670 with 6.92 GHz. Overclocking The experts were able to run the program SuperPi 1M "complete and received the correct result.
The benchmark took 6.344 seconds, but he could only be carried out at 6.76 GHz. So they broke the previous world record of 6.828 seconds, which was on a Core 2 Duo E8600 achieved with 6.634 GHz.
Thermal management is a battery charger designers faced another challenge. Each charger chip will experience the process of charging the voltage drop caused as heat.
To avoid battery damage or system shutdown, most chargers have integrated some form of control mechanism to manage the heat accumulation. Older charger chip is often used, "nor that that this" approach to solve the overheating or over-current problems - when the heat reaches a preset threshold they will simply interrupt the charging process.
The newer devices are more complex feedback with continuous monitoring die temperature, and to environmental temperature change is proportional to the dynamic, or by calculating the adjusted rate of charge current. This built-in smart charger chip to allow the gradual reduction of the current charge current, until the thermal equilibrium, die temperature stop rising.
This technology allows the charger to the maximum possible continuous current of the battery charge, and will not cause the system to shut down, thereby reducing the battery charging time.
MAX8804 is Maxim Integrated Products introduced in July last year, charger chip, which uses a special heat adjustment circuit, you can fast charge stage or system in a hot environment limit die temperature.
The tolerance of 30V DC charger input voltage, it only takes up 6 mm2 of board space. In addition, companies such as TI's 1A bq24060 charger can provide thermal overload protection feature that allows the device at high temperature continuous operation in harsh environments, such as cars or careless summer connected to the other with high input voltage adapter . Most newer devices will increase the general over-voltage protection mechanism.
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