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There are many excellent online courses. This has been hugely beneficial in my day to day work.
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- Louise Nolan
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A+ Module 2 - System Configuration
Course Aims
At the end of this course you will be able to - define the function of BIOS; define the terms EEPROM and EPROM; describe the features of Flash BIOS; name two reasons why you might upgrade BIOS; describe the keystrokes used to run a BIOS setup program; describe the typical parameters stored in CMOS; identify the default use of the 16 interrupts in an IBM PC/AT system; identify the default use of the 8 DMA channels in an IBM PC/AT system; identify the default use of the I/O ports used by COM1, COM2, LPT1, LPT2 in an IBM PC/AT system; identify the location and size of the upper memory area; Use operating system tools (such as Microsoft Diagnostics, or Device Manager) to determine the usage of any given IRQ, DMA channel, I/O port or upper memory address; determine if your PC has a resource conflict using operating system tools. |
Assumed Knowledge
You should have successfully completed a "PC Fundamentals" course or be confident in the following in order to gain maximum benefit from reading this course: You can use a keyboard and mouse, recognise the main components of a PC and different data media such as floppy disks, CD-ROM, etc. You can understand DOS file naming conventions and directory structures, you are familiar with Windows and Windows applications, you can use Windows File Manager or Explorer to create directories and sub-directories; and move, copy or rename files and directories. You can use the DOS DIR, COPY, REN, DEL, MD, CD and RD commands and the DOS editor to create text and batch files. |
Course Audience
This is the essential foundation course for newcomers to PC support and provides readers with the necessary training to ensure proficiency in PC installation and troubleshooting skills. |
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Table of Contents
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The Function of BIOS
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BIOS Services
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BIOS CMOS Memory and Battery
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BIOS CMOS Memory and Battery
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BIOS/CMOS Setup Programs
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What are System Resources?
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What are System Resources?
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Interrupt Request Line (IRQ)
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Interrupt Request Line (IRQ)
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Direct Memory Access (DMA)
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Direct Memory Access (DMA)
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I/O Addresses (Ports)
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Memory Addresses
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Determining Resources in Use
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Determining Resources in Use
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Resource Conflicts
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