Step 1: What is the output power of your CPU?

Here I give some output power of AMD Athlon:

Step 2: How powerful are your fans?

Look at the C/W value of your processor first. The smaller the better, but it's hard to say for domestic famous brand fans.

Maybe many people don't know what C/W is. Let me introduce the CPU power of C/W = Delta/Watt here. Delta = CPU temperature-ambient temperature. Explain C/W: For the heat emitted by each CPU, the fan will cool the core by multiplying C/W by Watt plus ambient temperature. For example, the ambient temperature is 25℃, the C/W is 0.25 and the CPU is 55. This means that the temperature of the CPU is 50 x 0.25 = 12.5 degrees Celsius, that is, 37.5 degrees Celsius ... It can be seen that the lower the C/W, the better.

Step 3: Calculate

Get C/W, plus the chassis temperature, so don't you get the temperature of your CPU?

If it is lower than 60 degrees, it can be considered that the result is completely fine. If it is higher than 60 degrees, you may need to adjust the calculation result again.

Why 60 degrees?

AMD's technical specifications point out that 70C is the maximum stable working temperature (90 and 95C are the highest temperatures, if they exceed, please pray that you don't burn the motherboard, because your CPU is definitely gone).

But from our experience, it is doubtful whether AMD's processor can work stably at 70C.

Therefore, we take 60C here, as long as it is lower than 60C, your system is absolutely stable, and the temperature calculated by the above method is also reliable, but if it exceeds 60 C, you can't say for sure.

Give a few examples to illustrate the steps.

Example 1:

A processor with 1500Mhz operating at 1.85V uses the Millenium Glaciator fan, and the chassis is open and running, and the chassis temperature is 28 C. 。

Look up the table, the maximum power is 86 w.

Calculation: 86 w x18c/w =15.5c+28c = 43.5c.60 or less, and the work is stable.

Example 2:

1500Mhz processor, operating at 1.85V, using Thermatake Superorb fan. Close the chassis, and the chassis temperature is 34C.

Calculation: 86 w X .35 C/W = 30C+34C = 64C. The system may be unstable.

Example 3:

A processor with 1500Mhz works at1.85v. If the computer is placed in a very hot place without air conditioning, such as Wuhan Student Dormitory, the room temperature will exceed 30C, and the chassis temperature will be 40 C. Use Swiftech MC-462A fan.

Calculation: 86 wx.18c/w =15.5c = 40c = 55.5c It is very dangerous, but it uses the world-class fan. Think about our situation in Wuhan, the temperature of the chassis is estimated to be above 40C, and we don't even know what brand. Think of your poor CPU, overclock it. I feel dizzy.

Example 4:

Overclocking to 1650Mhz, working at 2.20V V, the system crashed, why? Let's calculate, we use the Alpha PAL6035 fan, the chassis temperature is 25℃, and the motherboard tells me that the temperature is 50℃. Why does it crash?

Is it really the temperature written on the motherboard?

Let's calculate: 134 w X .37 C/W = 50C+25C = 75C. Not dead.

I hope you have mastered this method, use your CPU reasonably, and don't burn a piece without knowing why.