Control (monitor, modify) your fan speed with hardware and software (Speedfan 4.41) and the CPU fan Medium, Normal, Low, high speeds
average CPU fan speed will be about 2000 rpm on most CPUs / motherboards. But a CPU fan speed depends on the temperature of the CPU at any time, specified speed range (production), its power supply (12 +, 12 -), the motherboard controls, external sensor-based monitoring and additional software-based controllers. Lower CPU fan runs faster and larger are usually about 1500 rpm to about 3800 rpm. The CPU fan speed can set itself from one computer to another, because the CPU, motherboard type, etc. vary
While faster speeds, CPU fan and jet make much noise in your office / home comfortable is sure that the CPU is always cool, whether it is loaded or not. This means that the CPU will last longer than the other. But if your needs are not about the life of the CPU, more than an indication of the manufacturer, it is better, automatically or through software like SpeedFan 4.41 (also hardware, sensors, extra cable for the connection, etc. ) to your control a quiet experience. Change on some motherboards, CPU fan speed, while others are set at high speed all the time.
The link below can download SpeedFan 4.41 download.cnet.com software. It is completely free software and helps you to gain practical experience with the CPU fan monitoring and control. It takes some time to get around it, so be ready. It can also monitor voltages along with speeds and temperatures of the CPU and hard drive too. It can also access S.M.A.R.T. Information from motherboard. It works with Windows 7, XP, Vista, 2000, 9x, 2003, ME, NT, 64, etc. work.
<iframe width=”500″ height=”315″ src=”http://www.youtube.com/embed/hQsb0ld2eWk” frameborder=”0″ allowfullscreen></iframe>
http://download.cnet.com/SpeedFan/3000-2094_4-10067444.html
For many desktops or laptops, the BIOS itself, a number of sensors installed to the CPU temperature in BIOS and also the automatic software coded to the CPU fan speed measurement. For ex, on ECS Goal 3 + (1.1C) AMD Sempron 3000 + 754 SiS 761 GX Micro ATX Motherboard / CPU configuration, when the CPU temp. is about 40c, BIOS changes fan speed at full speed to 5400 rpm (like a jet engine) to run.
On a Gigabyte motherboard with an AMD XP 1800 (similar to ASUS Q-Fan), CPU fan speed switch 300 to 1200 revolutions per minute. FIC K7M-nForce2 IGP automatically NF18G the motherboard and the fan speed. AMD Athlon64 3200 +, 3800 + X2 CPU’s have fans that are reduced in speed when the CPU is idle. Not on a system with zero therm cooler Nirvana (ASRock Dual Core) CPU fan runs at start-up, but slowly begins to reach the highest speeds and when the CPU temperature goes above 36c. In some computers will not boot at all, if the CPU fan or not turn away. D865GBFL enthusiast motherboards, including Intel, Asus A7N8X-E must be intelligent Q control in their bios as possible, so your CPU fan speed control. Dell Inspiron 1150, Dell Precision fan.
It is worth noting that CPU fan should be three-wire connection, or four wires. Adding additional hardware to the CPU temperature and fan speed control requires monitoring or maintenance know-how on your side and four lines for CPU fan. While the yellow and black wire goes to 12 and -12/ground power is a green wire for a tachometer, the speed of the CPU fan, motherboard measures and apply them only for information. A fourth wire is required for Pulse-width modulation signal to adjust the speed of the fan is used. It is not a good idea to mess with the wires on your own
References:
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