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Hello everyone. In this lesson, let's take a look at the architecture diagram of the Gigabyte B360.

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Let's first find the three most important components in the architecture diagram,

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namely CPU, bridge and IO

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Let's observe the components they are connected from top to bottom and from left to right

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First is the CPU

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It can be seen that the CPU is connected to a PCIe 16 slot through the PCIe bus

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It is generally the PCIe slot closest to the CPU

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It is usually used to connect the graphics card

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At the same time, this slot is also the fastest PCIe slot on the mainboard.

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Further down, you can see that the CPU is also connected to several display ports.

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These display ports are the ports that come with the mainboard.

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Further down the CPU is also connected to the South Bridge

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There are DMI bus and FDI bus between CPU and South Bridge

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We have explained the DMI bus before

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The FDI bus is just a bus used to transmit display signals

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Look to the right

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The CPU is also connected to 4 memory slots

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These 4 memory slots form a group of two, divided into a-channel slots and b-channel slots

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Let's look at the devices controlled by the PCH bridge

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Still the same, look from left to right and top to bottom

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The PCH bridge is first connected to a PCIe 4-speed slot and 3 PCIe 1-speed slots through a switch chip

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If these 3 PCIe 1-speed slots are used here, then this 4-speed slot has only one speed

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In other words, if you want to use this 4-speed slot,

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then the three 1-speed slots cannot be connected to the device

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Otherwise this 4 speed is only 1 speed

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Look down

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There is also a PCIe one-speed slot here, which is also a PCIe bus

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Next, the bridge is still connected to a network card through the PCIe bus.

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This network card also uses 1-speed PCIe

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Further down

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Here are the USB ports on the front panel and the rear panel, there are 2.0 ports and 3.0 ports

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Then the bridge is connected to the sound card chip through a dedicated sound card bus

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This sound card chip is connected to a lot of sound-related devices

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Let's look at the right

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The bridge is connected to the SATA interface through the SATA bus

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The same is true here below, the SATA bus is connected to a SATA interface through a switch chip,

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and also connected to an m.2 interface

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Below here is also the SATA bus connected to the m.2 slot

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These two m.2 interfaces should also be connected by the PCIe bus, but they are not drawn here

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Below here is a CNVI bus

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It is connected to the wireless network card

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This CNVI bus is a relatively new bus, which is used to connect Intel's wireless network card

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Further down

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The bridge is connected to the BIOS chip through the SPI bus to read the BIOS program

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The bridge is also connected to the IO via the LPC bus

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This IO controls some external devices, COM port, PS2 keyboard, mouse, front panel and fan, etc.

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This is the architecture diagram of the B360 mainboard

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By observing the architecture diagram, we can understand the affiliation of each component

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For example, if there is an m.2 slot that cannot be used, then we should not only check the m.2 slot,

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but also check the bridge to see if it is working properly