Considerations for replacing the video card heatsink

Whether it is NV or ATI GPU, its chips are installed on the circuit board, we call this circuit board as a GPU substrate. In the chip around a lot of SMD components (resistors, capacitors, etc.), the ends of these SMD components are silver tin compound (easy to weld with the substrate), the graphics card Factory at the base plate four weeks placed a layer of elastic latex pads.

　　The effect of this latex pad is as follows: two.

1. To prevent the installation of GPU Heatsink film, due to the substrate deformation caused by the heatsink base and patch original contact, resulting in a short-circuit burned GPU.

2. Prevent the screw on the bad compression of the GPU chip.

　　When we replace the GPU heatsink, we should be aware of the following essentials:

1. Try not to damage this layer of latex mat, one but bad also does not matter, with polypropylene or polyester insulation tape to cover the GPU around it.

2. Only on the GPU chip on the application of silicone grease (the quality of silicone grease to pure white fine), as far as possible not to use gray-white silicone paste, not to use silicone.

3. Screw the best to wear a spring on the screws, the use of spring tension to tighten the heat sink, so that the heatsink and the GPU can be closely integrated.

4. If the weight of the heatsink more than 700 grams, you must do a stent to prevent the fall of the Kathiki plate.

5. If the weight of the heat sink is less than 700 grams, do not use as a stent also need not worry, the substrate is laminated by multi-layer resin fiber, its strength is very high.

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