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smallbluedisk.gif PS2 Mouse connector
smallbluedisk.gif PS2 Keyboard Connector
smallbluedisk.gif USB Connector
smallbluedisk.gif Serial Port Connector
smallbluedisk.gif Parellel Port Connector
smallbluedisk.gif CPU Socket
smallbluedisk.gif PCI Slot
smallbluedisk.gif AGP Slot
smallbluedisk.gif motherboard Heatsink
smallbluedisk.gif CMOS Battery
smallbluedisk.gif Chipset
smallbluedisk.gif Memory Slots
smallbluedisk.gif Audio Connectors
smallbluedisk.gif Game Port Connector
smallbluedisk.gif IDE Connectors
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This page will provide an overview of the various components found on a typical ATX based motherboard.
 
Available Articles:
Introduction To The motherboard
Types And Styles Of motherboards
Factors To Consider When Purchasing A motherboard
What's Onboard?
Introduction To Bus
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Introduction to the mainboard motherboard system board Introduction To The Motherboard Types and styles of motherboards Types And Styles Of Motherboards
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Components Found On A Typical motherboard
Standard ATX mainboard layout


# Illustration
1.

PS2 Mouse Connector

A PS2 Mouse connector is standard for connecting mouses.A PS/2 Mouse connector is used to connect a PS/2 input device such as a mouse, trackball, or touchpad. Older style motherboards don't have these ports color coded so it is important to note which socket a mouse and keyboard are being plugged into. The green PS/2 socket is for your mouse and the purple PS/2 socket is for your keyboard.

2. PS2 Keyboard Connector

A PS2 Keyboard connector is standard for connecting keyboards.A PS/2 keyboard connector is used to connect a PS/2 based keyboard. This connector is always purple in color but older motherboard designs used a black color to represent this connector.

3. USB Connector

USB Connectors permit the exchange of information between MP3 players and external hard disk drives.Universal Serial Bus (USB) connectors are used to connect external peripheral devices such as hard drives, digital cameras, and MP3 players. Theoretically USB can support up to 127 devices.

Motherboard manufacturers normally incorporate a minmum of two USB ports into the designs of their boards. It is not uncommon for a motherboard to have 4, 6, and even 8 possible USB connections. In an eight USB connection setup, four ports are located on the rear of the chassis and the other four ports are acccessible on the front of the chassis via 5-pin header to USB A-type female interface cable.

4. Serial Port Connector

Serial connectors interface with PDAs and external dialup based modems.A serial port connector was a common interface type on older style motherboards and typically used to connect mice, personal digital assistants, and external dialup modems. Serial ports are being phased out quickly by the faster, more user-friendly USB technology.

5. Parellel Port Connector

A parellel connector is used for connecting printers and scanners to a computer.A parellel port connector is used to connect printers and scanners to the computer.

6. Game Port Connector

The game port connector enables joysticks and gamepads to function in a computer.A game port connector is used to connect gaming devices such as joysticks and gamepads.

7. CPU Socket

The CPU socket is the housing appartus for the processor.The CPU socket is used to house the actual central processing unit microchip.

8.

PCI Slot

Typical PCI SlotA PCI slot is used to connect internal expansion cards such as modems and ethernet controllers as well as TV tuner and digital video capture cards.

9. AGP Slot

Typical AGP4x SlotAn AGP slot is used to connect video display adapters.

10. Motherboard Heatsink

The mainboard heatsink helps bring the core temperature down to prevent overheating.A motherboard heatsink is used to bring down the core temperature of the motherboard down to prevent malfunctions of the caused by overheating.

12. CMOS Battery

CMOS Batteries store the date and time and other configuration settings in a PC.The CMOS battery chip is used to store the contents of the system's Basic Input Output System (BIOS) information when the PC is turned off. This prevents having to reconfigure the system BIOS each time the computer is turned on.

13. IDE Connector

IDE Connectors are capable of interfacing with hard disk drives.'IDE connectors are used to connect internal hard disk drives to the motherboard. A standard motherboard has two IDE connectors, with each connector capable of connecting two IDE based devices. These devices can be hard drives, optical drives, or a combination of the two.

14. Chipset

Chipsets are a series of microchips containing pre programmed logic.A chipset is a chip or series of chips that contain pre-programmed logic that determine how a particular function on the motherboard operates. Any motherboard engineered as some kind of chipset built in because it's the chipsets that can actually determine how data is supposed to flow to and from devices in the computer. Chipsets control sound, video, and other peripheral component interaction with other devices in the system.

15. Memory Slots

DDR-RAM SlotsMemory slots are a housing unit for random access memory chips. A typical motherboard can have between 2 and 4 memory slots.

16. Central Processing Unit Fan

The CPU fan controls and monitors the temperature of the processor to prevent over heating.A processor fan is used to keep the core temperature of the processor chip to a low level. Fans are neccessary to prevent the processor from malfunctioning because of overheating issues.

17. Audio Connectors

Audio ConnectorAudio connectors on a motherboard provide sound capabilities to a computer. It is much more common for modern motherboard types to have sound capabilities built in.

Components Found On An ATX Motherboard

 
Motherboard Troubleshooting

The information provided within this section will help you troubleshoot some of the most common motherboard problems you may experience while assembling or upgrading a PC.


 
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