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How to identify extended serial ports when installing centos with multiple serial ports

Source: Internet
Author: User
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For details about how to identify the extended serial port-Linux general technology-Linux technology and application information when installing centos on a multi-serial motherboard, refer to the following section. I bought a multi-serial control board with Intel Atom D525 CPU. It is estimated that multiple serial ports are extended through the PCI-e bus. After CentOS is installed, you cannot identify the extended serial port automatically. How can this problem be solved? Just getting started with linux, I feel like I have no idea what to do in the BIOS, or I need to write a driver. It seems that some systems have commands for scanning PCI bus devices. Does CentOS have such commands?

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