Now I have explored letting A-Tuning control the speeds and manually controlling with the build in options in the UEFI and noting seems to change. A-Tuning indicates the 100% speed for the case fans is approximately 1500 and that at 50 degrees C where the CPU is idling the speed should be 60% of 3100 max (A-Tuning test) but it is not. Worse than that there is no effect changing from Standard to Full Speed in the UEFI.
That said UEFI indicates the CPU fan is turning at 2200 plus and the two case fans at 1100 plus but jumping every 10 to 15 seconds to 2200 plus for a second or two and then back. I have interpreted that to mean if a three pin fan, they control speed with the voltage on pin 2 and if a four pin speed is controlled by the 4th pin using PWM The motherboard advertises that that the two case fan connectors (4 pin) have Smart Speed Control clarified with an asterisk, that they can auto detect if a 3 pin or 4 pin fan is in use. The Corsair Carbide Series 100 R Silent Edition case I purchased has two, three pin fans which may optionally be attached to a three speed control in the case or to the motherboard.
Processor i5-7500 with stock Intel CPU Fan This option dynamically changes the CPU Vcore voltage and CPU speed to save energy.Completed new build early this week and having fan speed problems.īoard H270M Pro4 BIOS flashed with latest 4/2017 2 In OC DNA you have some motherboard information and the option to save up to three different user profiles.įinally, you got the IES which stands for Intelligente Energy Saver. In the Overclocking module you can adjust manually the BCLK/PCIE frequencies, CPU ratio, CPU voltage offset, DRAM voltage, PCH voltage, VTT voltage, CPU PLL voltage, VCCSA voltage, and IGPU voltage. The Fan Control shows temperatures and allows you to set speeds and target temperatures for the CPU and chassis. The Hardware Monitor shows the following information: CPU speed, CPU ratio, BCLK/PCIE Frequency, CPU temperature, CPU fan speed, Chassis fan speed, M/B temperature, Power fan speed, Vcore voltage, +5.0V voltage, DRAM voltage, VTT voltage, VCCSA voltage, +3.3V voltage, +12V voltage, PCH voltage, CPU PLL voltage, and iGPU voltage. This software consists of five main modules: Hardware Monitor, Fan Control, Overclocking, OC DNA and IES. The ASRock Extreme Tuning Utility is designed to give the user with an ASRock motherboard more control over certain setting.
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