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Operational and Overclocking Specifics

Overall, if we disregard the annoying beeping of the piezo-speaker on every system boot-up and non-optimal adjustment of the processor fan rotation speed, we didn’t have any other issues with Intel DP55WG working in the nominal mode. The board is reluctant to increase the processor fan rotation speed, which is usually around 500 RPM. It is very quiet, but when the CPU utilization is high, its voltage regulator components heat up significantly. During overclocking, however, the rotation speed of the processor cooling fan increases to its maximum very rapidly and then immediately drops down if the workload disappears. These periodic howling is extremely annoying, and fast slowing down of the CPU fan causes the temperature to increase excessively.

I have to remind you that we have already discussed the basics, terminology and approximate overclocking algorithms in our earlier article called “Guide: Lynnfield Overclocking on Asus P7P55D Deluxe Mainboard”. Of course, we mostly focused on Asus P7P55D Deluxe mainboard and Intel Core i7-860 processor, but the basic overclocking principles typical of LGA1156 platform are the same on every mainboard and you will easily find the corresponding equivalents among the parameters of your mainboard and CPU.

Intel DP55KG and Intel DP55WG mainboards are very similar, but they behave differently during overclocking. To begin with, the junior Intel DP55WG mainboard proved operational at 205 MHz base clock, while on the top model we had to stop at 200 MHz. However, this difference is mostly formal, because we could only achieve this high frequency after disabling the processor fan rotation speed control function. Only when the fan was working at its maximum speed, the system could pass the tests, otherwise overheating caused errors. I would like to remind you that most LGA1156 mainboards can easily work with the base clock increased up to 210 MHz.

Just like the top Intel DP55KG, the junior Intel DP55WG couldn’t overclock our CPU to its maximum: we stopped at 3.9 GHz frequency.

If you compare this Everest screenshot with the same screenshot from our Intel DP55KG review, you won’t notice any differences, besides the mainboard model names, of course. However, Intel DP55WG mainboard increases the voltages under serious load even higher than its elder sister that is why we had to deliberately set them lower in the BIOS in order to get the same result. Like all other LGA1156 mainboards, Intel DP55WG has all Intel processor power-saving technologies up and running even when we increase the voltages during CPU overclocking. It means that without any high load the processor clock frequency multiplier as well as the CPU Vcore will be automatically lowered.

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