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It's simple about that changing the parameter of CMOS.

When you have to install Windows or OS, you have to change CMOS parameters.

Otherwise, you have to change something, such as first boot device and second boot device.

CMOS can perform some function to block the autorun function from USB port.

Thus, your computer may have good security.

And you can also change to control some parameter for your computer's hardware devices, like Fan,temperature and so on...

That's all I remember about that.

Thank you everyone who ask this question.

- Aung Zin Linn (I.D.C.S student, Ygn)

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Q: When is necessary to change CMOS parameters?
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Related questions

Which chip is used to store information that describes specified device parameters?

CMOS chip


How do you change the information in the CMOS?

List some ways to change the information in the CMOS


What component is necessary to save system settings whe you power off the computer?

CMOS battery


What is cmos used for?

C MOS is the complementary metal -oxide semiconductor which is used to hold dates, time and system setup parameters.


Why does a computer turn on if the CMOS battery is removed?

Removing the CMOS battery will not prevent the computer from turning on, it will only cause the information in the CMOS RAM to be lost (while the computer is turned off). When you turn on the computer after the CMOS battery has been removed, while it will turn on it will most likely not boot the OS correctly but will stop in the BIOS and require you to completely setup the CMOS parameters again before you can tell it to continue..


How do you change the data in the cmos?

Data stored in CMOS can be altered using a CMOS editor program. CMOS commonly stores the computer's BIOS and its content can be changed using the inbuilt BIOS settings utility.


How do you change data stored in the CMOS?

Data stored in CMOS can be altered using a CMOS editor program. CMOS commonly stores the computer's BIOS and its content can be changed using the inbuilt BIOS settings utility.


How do controlled parameters and variable parameters differ?

Controlled parameters stay constant throughout the experiment. Variable parameters are the ones you can change.


Why is it not necessary to inform cmos setup about the installatiuon of a new hard drive?

will auto detect it


State the advantages of CMOS setup?

By entering the CMOS setup you are able to change the boot sequence of your computer, enable or disable RAID, and change power-on settings. The CMOS setup also allows you to view and change floppy, hard drive, and optical drive settings, as well as change a number of other hardware configuration options.


How can you change the contents of the cmos ram setup chip?

fake


Why is it not necessary to inform CMOS setup about the installation of a new hard drive?

The BIOS will inform CMOS when there is a new installation with auto detection.