CH07 - Talk • Northbridge – High end • Southbridge...

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All-in-One CompTIA A+ Certification Exam Guide (Exams 220-701 & 220-702) – Mike Meyers Seventh Edition Chapter 7 BIOS and CMOS
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2 Chapter Objectives In this chapter, you will: • Explain the function of BIOS • Distinguish among various CMOS setup utility options • Describe option ROM and device drivers • Troubleshoot the power-on self test (POST) • Maintain BIOS and CMOS properly
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3 Historical/Conceptual - We Need to
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Unformatted text preview: Talk • Northbridge – High end • Southbridge – Low end • Chipset – Extends EDB 4 Essentials • BIOS – Every devices needs it – Stored on motherboard – Stored on ROM chip 5 Essentials • CMOS – Does not store programs – Clock – On Southbridge – Needs only about 128 bytes 6 Essentials • CMOS setup 7 POST • POST – Stored on ROM – Checks devices • Beep codes • Text codes – POST cards...
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This note was uploaded on 04/05/2011 for the course CINT 213 taught by Professor Endris during the Spring '11 term at Ivy Tech Community College.

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CH07 - Talk • Northbridge – High end • Southbridge...

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