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What are the pins on the computer motherboard?Elastic contact

source:Industry News    Popular:pogo pin for moilble phone     release time:2022-02-17 09:17:37     Article author:sznbone

  

What are the pins on the computer motherboard?Elastic contact(图1)

  As you all know, the boot of the assembled computer host is just to press the power switch on the chassis panel. In addition, there are reset switches, power lights, hard drive lights, speakers, etc. on the chassis panel, all of which provide necessary help for users to use the computer normally. After opening the case, you can find that these switches, status indicators, and speakers are all connected to pins at specific locations on the motherboard through wires. These pins are generally concentrated in the lower left corner of the motherboard, and the abbreviations of the English names are printed near the pins, making it easy for users to connect. Only when the plug is correctly inserted can the computer work normally. There are mainly the following types of pins on the assembled computer motherboard, let's take a look.

  switch

  The plug of this switch is two-pin. In order to facilitate user identification, one of the wires is generally indicated by yellow or black, and the other wire is generally white. This plug must be plugged in, otherwise the computer cannot be started through the chassis panel. In addition, it can also start by directly shorting the POWER pin on the motherboard. The connection plug of this switch is generally marked with the word POWER SW, and the English abbreviation near the pin at the corresponding position on the motherboard is generally PWR, Power SW, PWR SW, PW, PW SW or PS, etc.

  Reset switch

  The plug of the reset switch is also two-pin. One of the wires is generally shown in blue, and the other wire is white. Its function is to restart the computer when the power is uninterrupted, and it is often used when the computer suddenly crashes during operation. The plug connected to this switch is generally marked with the word RESET SW, and the English abbreviation near the pin at the corresponding position on the motherboard is generally RESET, RST, RS, or RE, etc.

  Power light

  The power light connection is also a two-pin plug. One connection is generally indicated by green, and the other connection is white. When the host power is turned on, the power light will light up. The plug connected to this switch is generally marked with the word POWER LED, and the English abbreviations near the corresponding pins on the motherboard are generally PW LED, Power LED, PWR LED or PLED+ and PLED-, etc.

  Hard Disk Light

  The hard drive light connection is also a two-pin plug, and the two wires are generally one red and one white. When the hard disk reads and writes, the hard disk light will light up. The plug connected to this switch is generally marked with the words HDD LED, and the English abbreviations near the pins at the corresponding positions on the motherboard are generally HDD LED, HD or IDE_LED+ and IDE_LDE-, etc.

  trumpet

  The plug of this connection has four pins, but there are only two wires. The color is usually one red and one black or one orange and one black. After correctly connected, it is used by the speaker on the chassis. The plug connected to this switch and the corresponding pin on the motherboard are generally marked with the word Speaker. Some computers will emit a beep through the horn after they start normally, or if they cannot start normally, they will emit a corresponding alarm sound through the horn to help users solve the problem. However, some motherboards have integrated speakers, so you don't need to connect the speakers on the chassis at this time.


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