DESCRIPTION This tutorials is taken from our A+ Certification PC Hardware Support Module 2 - System Configuration training course. It explains the purpose of the BIOS within a PC. TUTORIAL TAKEN FROM COURSE : A+ SYLLABUS 10 - MODULE 2 - SYSTEM CONFIGURATION FULL COURSE DETAILS 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. This set of modules will prepare the reader for the exam 220-301.