BIOS is pronounced asby-ossand is sometimes referred to as the System BIOS, ROM BIOS, or PC BIOS.

However, it’s alsoincorrectlyreferred to as the Basic Integrated Operating System or Built-In Operating System.

What Is the BIOS Used For?

An illustration of someone in the BIOS of a computer

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BIOS instructs the computer on how to perform basic functions such asbootingand keyboard control.

How to Access BIOS

The BIOS is accessed and configured through the BIOS Setup Utility.

The BIOS Setup Utility is, for all practical purposes, the BIOS itself.

All available options in BIOS are configurable through the BIOS Setup Utility.

The BIOS Setup Utility is accessed in various ways depending on your setup or motherboard make and model.

BIOS Availability

All modern computer motherboards contain BIOS software.

Interruptions could brick the motherboard and render the computer unusable, making it difficult to regain functionality.

BIOS might verify if the full update has been applied by verifying that thechecksummatches up with the intended value.

Any custom options were instead made by modifying physical switches andjumpers.

If something goes wrong during the updating process, however, there may be irreparable harm.

A BIOS password is an optional additional level of authentication protection.

BIOS passwords are different from Windows account passwords.

A PS2 BIOS file is a way to play classic PlayStation 2 games on your Windows PC.

To accomplish this, you’ll also need todownload a PS2 emulatorand game ROMs.

Some PS2 emulators include a PS2 BIOS file, which makes the process easier.

Always download PS2 emulators, BIOS files, and game ROMs from trustworthy sources.

In the Task Manager, under theStartuptab, you’ll seeLast BIOS Timeand a number of seconds.

Anywhere from five to 15 seconds is a normal Last BIOS time.