North Bridge and South Bridge

North Bridge, South Bridge is the most important two on the Motherboard chipset. they are all bus controllers. they are bus control chips. relatively speaking, the North Bridge is more important than the south bridge. the North bridge connects to the system bus and is responsible for CPU access to memory. at the same time, this AGP plug-in is connected to control the PCI bus, and the system bus and local bus are cut off. The speed is the fastest in this section. nanqiao does not connect to the CPU, which is usually used to control the I/O and IDE devices. so the speed is slow. in general, the center of the South Bridge and the North Bridge is a PCI bus.

 

1 what are the main differences between nanqiao and beiqiao chips?

Nanqiao is mainly responsible for Io
North Bridge for CPU and memory, video card, PCI data exchange

2. How to cleverly identify the nanqiao and beiqiao chips?

Use the function to identify the nanqiao and beiqiao chips:
Beiqiao District
It is mainly responsible for data exchange between CPU and memory, and controls the transmission of AGP and PCI data internally, which is the main factor determining the performance of the motherboard. As the integration of chips increases, it also integrates many other functions. For example, althon64 integrates the memory controller. NVIDIA removes the Southbridge from its NF3 250, nf4, and other chipset, while it also includes gigabit network and serial hard drive control. Currently, the mainstream brands of North Bridge core signs include via, NVIDIA, and sis.

Of course, the quality of these chips is not determined by the motherboard manufacturer, but what kind of chip production the motherboard Manufacturer uses directly determines the performance of the motherboard. For example, kt600> kt400a> kt333> kt266a is also used as the via chip. Currently, the mainstream amd platforms have optional chipset: kt600, NF2, k8t800, and NF3. For intel platforms, 915, 865pe, pt880, 845pe, and 848p.

Nanqiao District
Nanqiao chip is mainly responsible for the control of some peripheral interfaces such as I/O interfaces, and the control and additional functions of IDE devices. Commonly, such as 8235 and 8237 of via, Intel such as C4, CH5, and ch6, and NVIDIA's MCP, MCP-T, and MCP raid. In this part, the brand-name motherboard is not very different from the general motherboard, but with its outstanding workmanship, it is still the first choice for many people. However, it is not ruled out that some of the poor-quality mainboards may adopt a more powerful south bridge to win in order to survive in the competition.

Use the chip on the main version to identify the south bridge chip and the North Bridge Chip:

The North Bridge Chip is a chip located near the CPU slot, which generally covers the heat sink.

 

From: http://blog.sina.com.cn/s/blog_446b43c10100ceaj.html