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This article mainly explains "under what circumstances should the computer set up BIOS or CMOS". The content in the article is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn "under which circumstances the computer should set up BIOS or CMOS".

It must be set by BIOS or CMOS in the following cases:

1. Newly purchased microcomputer

Even the system with PnP function can only recognize part of the microcomputer peripherals, and the basic data such as floppy and hard disk parameters, current date, clock and so on must be set by the operator, so the newly purchased microcomputer must tell the system the basic configuration of the whole microcomputer by setting CMOS parameters.

two。 New equipment

Since the system may not necessarily recognize the new device, it must be told through the CMOS setting. In addition, once there is an IRQ, DMA conflict between the new equipment and the original equipment, it often needs to be eliminated through the BIOS setting.

When the backup battery of the system fails, the virus destroys the CMOS data program, and accidentally clears the CMOS parameters, it often causes the accidental loss of CMOS data. At this point, you can only re-enter the BIOS setup program to complete the new CMOS parameter settings.

3. System optimization

For parameters such as memory read and write waiting time, hard disk data transfer mode, use of internal / external Cache, energy-saving protection, power management, boot sequence and so on, the predetermined settings in BIOS are not necessarily optimal for the system, and it often takes many experiments to find the best combination of system optimization.

Thank you for your reading, the above is the content of "under what circumstances the computer should set up BIOS or CMOS". After the study of this article, I believe you have a deeper understanding of the computer under what circumstances to set up BIOS or CMOS, and the specific use needs to be verified in practice. Here is, the editor will push for you more related knowledge points of the article, welcome to follow!

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