Basic Knowledge of Open/Close Jumper
The jumper cap is a small switch for current flow on the circuit board
1. The main board jumper is a manual switch on the main board. The main board circuit can be changed by connecting different jumper pins through the jumper cap.
2. There are two common jumper caps on the motherboard. One is that there are only two pins.
3. The jumper cap is a movable part, the outer layer is insulating plastic, the inner layer is conductive material, which can be inserted on the jumper pin to connect the two jumper pins.
4. When the jumper cap is buckled on the jumper pin, it is in the on state, and there is current passing through. We call it on
5. On the contrary, when the jumper cap is not buckled, it means that it is disconnected, which is called off