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Hello everyone, in this lesson we will talk about the important feet of the golden finger

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Gold finger can be divided into a long section and a short section from the appearance

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This small section contains the power supply, reset and SM bus

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Then the important pins above this section are 12V power supply, A2 pin,

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3V power supply, A10 pin, and reset signal, A11 pin

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These three pins are respectively arranged in the small section of side A,

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the second pin, the penultimate pin and the last pin

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The latter long section is all PCIE bus

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There are 16 sets of PCIE buses

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We generally call it PCIE脳16

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A set of PCIE bus has a total of 4 lines

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Only PCIE脳1 is needed to turn on the graphics card

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PCIE脳1 consists of 4 data lines and two clock lines

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So there are only 6 important feet on this long section

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Their corresponding pins are clock line A13, A14, PCIE脳1 data line A16, A17, B14, B15

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In fact, these six pins do not require us to remember

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Let's take another look at the gold fingers,

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we can see that there are a pair of extended wires at the back of the gold fingers.

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This pair of extended lines is the PCIE bus

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We just need to remember that there are 4 wires on side A and 2 wires on side B.

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This is side A

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These 4 pins are the important pins on the A side

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These two are the important pins on the B side

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Just because the graphics card only needs PCIE脳1 to turn on the machine

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Therefore, there are some cheat cards on the market that are not complete.

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For example, the one on the far left is a PCIE 1X graphics card

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Its gold finger is only short

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The one in the middle is an 8X graphics card, and its golden finger is only half the length

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The last one is the most common PCIE脳16 graphics card, which is a complete cheat