Converting from 30 20 is flawless but converting from 20 30 will make your 30 ports active but will only function at 20 speeds. You can connect the s gnd wire onto this pin.
Different Types Of Motherboard Ports And Their Functions
Motherboard usb connection diagram. A connector is used for the upstream connection towards the host and b connector for the downward stream to the usb device. These can be used for components such as ethernet cards sound cards and modems. The pc detects the device and manages a control flow between the device and computer. When the device is connected to the pc it activates the host to recognize it. All you need to do is check the back of the connector thats attached to the two wires and you will see an arrow which indicates the positive wire on that connector this is shown on the hard. Lets take a look at a typical higher level motherboard for an example of connector and port types.
Developed by intel usb 31 internal connector cables are designed for connecting motherboard to front panel usb ports. Similar to previous usb 30 internal connector the new generation internal connector also has a 20 pin header version that support single type c port or dual type a connections but with a reduced form factor and stronger. Once you know what you are looking at you can recognize the components on any motherboard layout. The 33v 5 and 12v lines supply power to the various components on the motherboard itself and also powers the cpu dram and any devices plugged into the extension sockets such as the usb or. This is commonly for pc cases that have ports that dont match the available headers. 2x5 pins header refer to the diagram below a 2x5 pins header has 2 s gnd pins.
On some motherboards there is a nc pin in the usb header. Black wire serves as ground just like in any other device. Usb 30 header to usb 20 header usb 30 contains normal usb 20 connections. You can leave one of the s gnd pins unconnected. Pci slot this board has 2 pci slots. According to usb wiring diagram motherboard there are only four wires used inside the cabletypically it utilizes black green red and white cable colors.
Usb 3 ports are usually blue and usb 20 ports black but thats. Nc simply means no connection and nc pin is an empty pin. A computer motherboard diagram is very useful for when you need to replace motherboard do motherboard upgrades troubleshoot motherboard or build your own computer. The red one is to get sure wire with dc power of 5 volts.
Gallery of Motherboard Usb Connection Diagram
