5/4/2023 0 Comments Usb parallel adapter vs card![]() The Southbridge chip is mainly responsible for data exchange of low-speed devices like floppy drive, hard disk, keyboard, and add-in card. Then, Southbridge is connected to Northbridge via an internal bus (like Hub-Link). The Northbridge chip is mainly responsible for controlling data exchange between CPU and high-speed devices ( AGP graphics card, memory). CPU and Northbridge chip are connected via FSB (Front Side Bus). This structure is a typical North-South Bridge chip structure based on PCI bus. ![]() Many years ago (around 2000-2010), the computer motherboard is constructed like the following picture: Then, how does it work in computers? I will explain that in this part. PCI is shorthand for Peripheral Component Interconnect, which is a local bus in PC. ![]() It is a transmission wiring harness composed of wires. Bus is a common communication trunk line for transmitting information between various functional parts of a computer. In the computer, if different devices want to exchange data, they must do that via a certain channel, that is, bus.
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