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Motherboard and Bios PowerPoint PPT Presentation

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Motherboard and Bios. Generic Modern Motherboard. Courtesy of ASUS USA. PCI-X. Chipset. CPU Socket. Battery. SATA. RAM. Power. PCI-X and AGP – (Advanced Graphics Port) - Special slots for graphics cards

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Motherboard and Bios

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Motherboard and bios l.jpg

Motherboard and Bios

Generic modern motherboard l.jpg

Generic Modern Motherboard

Slide5 l.jpg

Courtesy of ASUS USA









Things to know about the slots l.jpg

PCI-X and AGP – (Advanced Graphics Port) - Special slots for graphics cards

PCI – (Peripheral Component Interconnect) – Most common on newer PCs. Used for Graphics, Network, Firewire, and any other add-on card for a newer PC. Roughly 10 times faster than ISA

ISA – (Industry Standard Architecture ) – Common on older PCs (Over 8 yrs old) – Slower Bus speed than PCI

Things to know about the slots

Riding the bus l.jpg

Lines of communication within the PC

Capability measured in speed and width

Modern PCs usually have a bus speed of 133-533 MHz – Older PCs have 66 or 133 MHz

Important when buying additional RAM, RAM must run at the same speed as the Motherboard

Main Bus vs. Front side Bus

Bus width – amount of data that can be sent over the same wire at the same time

Modern PCs – Maximum 64 Bits Bus Width

Riding the Bus

Internal and external bus l.jpg

Internal and External Bus

  • Internal Bus – On the board itself (Processor, RAM)

  • External Bus – leads outside of the box (USB, Keyboard connections, PCI etc)

  • Can have different speeds

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PC Card Speeds

  • AGP – usually 32 Bits

  • PCI – 32 or 64 Bits

  • ISA – 8 or 16 Bits

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CMOS Battery

  • Lithium Battery that backs up the System BIOS

  • Needs replacing every so often

  • Signs it needs to be replaced

    • Clock does not keep time between reboots

    • Computer “loses” hard drives, floppies, and other devices that are installed on the computer

    • Other assorted weirdness

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BIOS (Basic Input Output System)

  • A power-on self-test (POST) for all of the different hardware components in the system to make sure everything is working properly

  • Activating other BIOS chips on different cards installed in the computer - For example, SCSI and graphics cards often have their own BIOS chips.

  • Providing a set of low-level routines that the operating system uses to interface to different hardware devices - It is these routines that give the BIOS its name. They manage things like the keyboard, the screen, and the serial and parallel ports, especially when the computer is booting.

  • Managing a collection of settings for the hard disks, clock, etc.

    • Thanks

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BIOS Updates

  • Newer mobo's often have updates

  • Adds functionality, fixes bugs, speeds things up

  • Methods:

    • Making a boot floppy

    • Boot CD-ROM

    • Program that re-boots and updates

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  • Enemy #1: Heat

  • Active cooling

  • Passive cooling

  • Moving parts wear out

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Active Cooling

  • Fans

  • Heat Exchanger

  • Liquid

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Passive Cooling

  • Heat Sinks

  • Heat Exchanger

  • Login