pc maintenance: preparing for a+ certification chapter 9: working with the bios setup program
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PC Maintenance: PC Maintenance: Preparing for A+ Preparing for A+
CertificationCertificationChapter 9: Working with the BIOS Chapter 9: Working with the BIOS
Setup ProgramSetup Program
Chapter 9 ObjectivesChapter 9 Objectives
Identify the purpose of the system BIOSIdentify the purpose of the system BIOS Access BIOS Setup utilitiesAccess BIOS Setup utilities Know what settings to change in BIOS Know what settings to change in BIOS
Setup for specific situationsSetup for specific situations Install a BIOS updateInstall a BIOS update Replace a BIOS chipReplace a BIOS chip
BIOSBIOS
Basic Input Output SystemBasic Input Output System Motherboard has a BIOSMotherboard has a BIOS Other devices may also have a BIOS (ex. Other devices may also have a BIOS (ex.
printer, network router, video card)printer, network router, video card) Typically stored on a ROM or Flash RAM Typically stored on a ROM or Flash RAM
chipchip
CMOSCMOS
Complementary Metal Oxide Complementary Metal Oxide SemiconductorSemiconductor
Type of RAM used for storing exceptions Type of RAM used for storing exceptions to BIOS settingsto BIOS settings
Powered by motherboard battery full-timePowered by motherboard battery full-time
Accessing BIOS SetupAccessing BIOS Setup
Watch for a Watch for a message at message at startup startup telling which telling which key to presskey to press
BIOS Setup UtilityBIOS Setup Utility
Exiting BIOS SetupExiting BIOS Setup
Refer to message onscreen for Refer to message onscreen for instructionsinstructions
F10 is typical for saving changesF10 is typical for saving changes Esc is typical for discarding changesEsc is typical for discarding changes
Floppy Drive ConfigurationFloppy Drive Configuration
BIOS does BIOS does not not typically typically detect detect floppy floppy drivesdrives
Hard Drive Configuration Hard Drive Configuration Usually Plug-and-Play, but manual setup Usually Plug-and-Play, but manual setup
is possible; refer to label on disk driveis possible; refer to label on disk drive
Boot ConfigurationBoot Configuration Set boot order (CD, Hard, Floppy, etc.)Set boot order (CD, Hard, Floppy, etc.)
Plug and PlayPlug and Play
When When Plug and Play OSPlug and Play OS is assumed, is assumed, BIOS relinquishes control of many BIOS relinquishes control of many hardware resourceshardware resources
Reset ConfigurationReset Configuration resets BIOS resets BIOS assignments of resources from its own assignments of resources from its own Plug and PlayPlug and Play
Assign IRQ for USBAssign IRQ for USB support enables support enables USB devices to work before OS loadsUSB devices to work before OS loads
Integrated PeripheralsIntegrated Peripherals
Legacy parallel and serial portsLegacy parallel and serial ports Set addresses or enable/disableSet addresses or enable/disable
Power ManagementPower Management
Can be configured in BIOS or in OSCan be configured in BIOS or in OS OS is preferable if possibleOS is preferable if possible Power management turned on in both Power management turned on in both
places can result in conflictsplaces can result in conflicts
Recover from Bad BIOS ChangesRecover from Bad BIOS Changes
1.1. Find reset jumper on motherboardFind reset jumper on motherboard
2.2. Change its positionChange its position
3.3. Power system on for 5 to 10 secondsPower system on for 5 to 10 seconds
4.4. Power system offPower system off
5.5. Reset jumperReset jumper
Install BIOS UpdatesInstall BIOS Updates
Download update from manufacturer’s Download update from manufacturer’s Web siteWeb site
Check instructions on Web siteCheck instructions on Web site Many types of updatersMany types of updaters
Command line utilitiesCommand line utilities Windows-based utilitiesWindows-based utilities Boot disksBoot disks
Replace BIOS ChipReplace BIOS Chip
Pull chip with chip puller toolPull chip with chip puller tool
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