A+ Guide to Managing and Maintaining Your PC Fifth Edition Chapter 5 The Motherboard.

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Presentation transcript:

A+ Guide to Managing and Maintaining Your PC Fifth Edition Chapter 5 The Motherboard

2 A+ Guide to Managing and Maintaining Your PC, Fifth Edition Motherboards ATXAT P1 power connector P8 and P9 power connectors Software switchMechanical switch CPU and Memory sit beside expansion slots CPU and Memory sit in front of expansion slots

3 A+ Guide to Managing and Maintaining Your PC, Fifth Edition Typical AT Motherboard

4 A+ Guide to Managing and Maintaining Your PC, Fifth Edition Typical ATX Motherboard

5 A+ Guide to Managing and Maintaining Your PC, Fifth Edition CPU Parameters Clock speed Bus speed (system bus, frontside bus) Cache (L1, L2) Instruction set Word size Path size

6 A+ Guide to Managing and Maintaining Your PC, Fifth Edition CPU Cache Why?  Long latency for accessing memory Levels of caches  Level 1  Level 2  Level 3 Farther From CPU SlowerLargerCheaper

7 A+ Guide to Managing and Maintaining Your PC, Fifth Edition Intel Processors 64-bit processors – Itanium2 (server & workstation) 32-bit processors High-endLow-end XeonP4, P3, P2Celeron L2 CacheSmaller L1 CacheSmaller/Slower L3 Cache

8 A+ Guide to Managing and Maintaining Your PC, Fifth Edition AMD Processors 64-bit processors – Operon (server & workstation), Athlon64 FX and Athlon 64 (desktop) 32-bit processors Sempron(Duron)Athlon/Athlon XPAthlon MP CeleronP3/P4Xeon

9 A+ Guide to Managing and Maintaining Your PC, Fifth Edition Moore’s Law The number of transistors per square inch on integrated circuits (processor speed) has doubled approximately every 18 months (Gordon Moore, co-founder of Intel) Current problem  It is more and more difficult to increase the processor power with the current semiconductor techniques Current technology trend  Multiple dies (multiple CPUs)

10 A+ Guide to Managing and Maintaining Your PC, Fifth Edition CPU Heat Sinks and Cooling Fans

11 A+ Guide to Managing and Maintaining Your PC, Fifth Edition Connecting a CPU to the Motherboard IntelAMD Socket 7PentiumSocket 7, Super 7 K6 Slot 1P2, P3 (500) Slot AAthlon, Duron Socket 370Celeron, P3 Socket A Socket 423, Socket 478…… P4

12 A+ Guide to Managing and Maintaining Your PC, Fifth Edition Socket 7

13 A+ Guide to Managing and Maintaining Your PC, Fifth Edition Slot 1

14 A+ Guide to Managing and Maintaining Your PC, Fifth Edition Socket 370 on Slot 1

15 A+ Guide to Managing and Maintaining Your PC, Fifth Edition Socket 478

16 A+ Guide to Managing and Maintaining Your PC, Fifth Edition CPU Voltage Requirements

17 A+ Guide to Managing and Maintaining Your PC, Fifth Edition Chip Set

18 A+ Guide to Managing and Maintaining Your PC, Fifth Edition Northbridge & Southbridge

19 A+ Guide to Managing and Maintaining Your PC, Fifth Edition I/O Buses AGP bus PCI bus USB bus FireWire (IEEE 1384) bus (ISA/EISA/VESA bus)

20 A+ Guide to Managing and Maintaining Your PC, Fifth Edition

21 A+ Guide to Managing and Maintaining Your PC, Fifth Edition Configuring and Updating ROM BIOS Update BIOS only if you’re having a problem with your motherboard or there’s a new feature you want to use Flash ROM BIOS upgrades for most BIOS manufacturers can be downloaded from

22 A+ Guide to Managing and Maintaining Your PC, Fifth Edition Protecting Documentation and Configuration Settings Keep up-to-date written records of CMOS settings, hardware and software installed, and network settings Can also save and restore CMOS settings using third-party utility software

23 A+ Guide to Managing and Maintaining Your PC, Fifth Edition Troubleshooting the Motherboard and CPU Look for clues from POST  Reports errors as beep codes Cautiously substitute good hardware components for those you suspect are bad

24 A+ Guide to Managing and Maintaining Your PC, Fifth Edition POST Beep Codes

25 A+ Guide to Managing and Maintaining Your PC, Fifth Edition pp. 237 Project 5-10 Lab assignment: Lab 5.3 (due Sept. 22 4:00 p.m.)