Chapter 4. BIOS

This chapter covers the following subjects:

• Understanding BIOS, CMOS, and Firmware— This section explains the motherboard’s firmware, known as the BIOS. It also describes the relationship between the CMOS and the BIOS.

• Configuring the System BIOS— This section demonstrates how to access the BIOS and modify settings, for example, RAM, processor, and video settings.

• Power-On Self-Test and Error Reporting— This section describes the POST and audible and visible errors that the POST reports.

• BIOS Updates— In this section you will learn how to upgrade the BIOS through a process known as flashing.

This chapter covers a portion of the CompTIA A+ 220-701 objective 1.2 and CompTIA A+ 220-702 objective 1.2.

The basic input/output ...

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