How to connect the motherboard front chassis cable and connect the motherboard jumper？
1. Power switch (POWER) The plug of this switch is two-legged. For the convenience of user identification, one of the wires is usually indicated by yellow or black, and the other wire is generally white. This plug must be plugged in, otherwise the computer cannot be booted through the chassis panel. In addition, the POWER pin on the motherboard can be directly activated. The switch plug of this switch is generally marked with the word POWER SW, and the English abbreviation near the pin on the main board is generally PWR, Power SW, PWR SW, PW, PW SW or PS.
The button plugs of these two switch attributes are not divided into "positive and negative", which is also a feature of the contact switch. Therefore, when connecting the motherboard, as long as the connection is OK, this is why when using the bare platform. Everyone uses a key or a screwdriver as a tool to start the computer. Some people may say that since you said that the switch button wiring is also distinguished by color and white? In fact, if you want to hardly separate this wiring, it is not impossible. Generally speaking, the color line is "positive" pole (not the positive pole in the true sense), and the white line is the ground line (English is mostly Ground or GND).
2. Reset switch (RESET) The plug of the reset switch is also two-legged. One of the wires is generally indicated by blue and the other wire is white. Its role is to restart the computer in the event of constant power, often used when the computer suddenly crashes. The plug of this switch is usually marked with the word RESET SW, and the English abbreviation near the pin on the main board is generally RESET, RST, RS or RE.
3. POWER LED The power LED connection is also a two-pin plug. One of the connections is usually indicated by green and the other connection is white. When the main unit power is turned on, the power light will light up. The plug of this switch is usually marked with the POWER LED, and the English abbreviation near the pin on the main board is generally PW LED, Power LED, PWR LED or PLED+ and PLED-. In general, the color lines are all positive lines, while the white lines are negative lines (usually the negative line is white, but there are also a few wires that are black to indicate the negative).
4. In addition, some chassis power instructions are relatively different, and do not use the motherboard wiring to power the LED lights, but directly use the 5V D-type power interface (the voltage provided by the motherboard wiring pins is also 5V, so it can be used instead, the player also Can be modified by itself) directly display whether the host is powered
5. Hard disk light (HDD LED) The hard disk light connection is also a two-pin plug. The two wires are usually one red and one white. When the hard disk has read and write action, the hard disk light will light up. The plug of this switch is usually marked with the HDD LED, and the English abbreviation near the pin on the main board is HDD LED, HD or IDE_LED+ and IDE_LDE-.
5. Speaker /This speaker has four pins, but only two wires. The color is usually red, black or orange and black. It is connected to the speaker on the chassis after it is properly connected. The name of the speaker is usually marked on the plug of the switch and the corresponding pin on the main board. Some computers will make a "beep" sound through the speaker after normal startup, or if they can not start normally, the corresponding alarm sounds through the speaker to help the user solve the problem. However, some motherboards have integrated speakers, so you don't have to connect the speakers on the chassis. Now the chassis does not bring this, it is a thing that is eliminated!
6.Tlaking about the difference between AC97 and HD Audio, this will involve the history of N multi-board integrated chip upgrades, but in simple terms, HD Audio has completely replaced AC97, so we can judge us by sound card chip model. Which generation of chips is used. Under normal circumstances, most of the current HD Audio uses 8-channel output, so chips like the "C889" need to be plugged into the HD Audio connector. And if you plug in the wrong sound, or plug in the AV97 plug, or the chassis only AC97 plug, then do not worry, you can have the same driver software, adjust to AC97 compatibility mode, so there is sound. If you want to listen to the 8-channel HD Audio, then re-plug the other interface. At present, except for some old motherboards, the new generation of motherboard products are HD Audio chips, so plug in the HD Audio interface directly! And there is also a "anti-dwelling" design that is easy to use.
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Post time: Jul-03-2018