2188202 Motherboard

8/7/2019 2188202 Motherboard

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MotherboardMotherboard

8/7/2019 2188202 Motherboard


What is a motherboard?What is a motherboard?

It is on this board that is connected orIt is on this board that is connected orwelded the essential elements of thewelded the essential elements of thecomputer: (the chipset, the clock and thecomputer: (the chipset, the clock and theCMOS battery, the BIOS, the system busCMOS battery, the BIOS, the system bus

and expansions slots). All the otherand expansions slots). All the othercomputer parts are connected to thecomputer parts are connected to themotherboard :( the graphic card, the soundmotherboard :( the graphic card, the soundcard, the RAM, the hard drive....). Thecard, the RAM, the hard drive....). The

motherboard is the center of activity. It ismotherboard is the center of activity. It isalso responsible for managing the systemalso responsible for managing the systembuses that move data between the CPUbuses that move data between the CPUand other parts inside the computer.and other parts inside the computer.

8/7/2019 2188202 Motherboard


8/7/2019 2188202 Motherboard


motherboard sockets and the CPU they canmotherboard sockets and the CPU they can

supportsupport

The motherboard socket determinesThe motherboard socket determinesthe types of processor it can support.the types of processor it can support.

Some sockets are made for IntelSome sockets are made for Intelprocessors, some for AMDprocessors, some for AMDprocessors. Independently of theprocessors. Independently of thesockets, all motherboards havesockets, all motherboards have

integrated components like theintegrated components like thechipset, PCI slots, BIOS, and more.chipset, PCI slots, BIOS, and more.

8/7/2019 2188202 Motherboard


8/7/2019 2188202 Motherboard


1. Mouse & keyboard1. Mouse & keyboard2. USB2. USB3. Parallel port3. Parallel port4. CPU Chip4. CPU Chip

5. RAM slots5. RAM slots6. Floppy controller6. Floppy controller7. IDE controller7. IDE controller8. PCI slot8. PCI slot9. ISA slot9. ISA slot10. CMOS Battery10. CMOS Battery11. AGP slot11. AGP slot12. CPU slot12. CPU slot13. Power supply plug in13. Power supply plug in

8/7/2019 2188202 Motherboard


1. Mouse & keyboard:1. Mouse & keyboard: Keyboard Connectors areKeyboard Connectors aretwo types basically. All PCs havetwo types basically. All PCs have a Key boarda Key boardport connected directly to the motherboard. Theport connected directly to the motherboard. Theoldest, but still quite common type, is a specialoldest, but still quite common type, is a specialDIN, and most PCs until recently retained thisDIN, and most PCs until recently retained thisstyle connector. The ATstyle connector. The AT--style keyboard connectorstyle keyboard connectoris quickly disappearing, being replaced by theis quickly disappearing, being replaced by thesmaller mini DIN PS/2smaller mini DIN PS/2--style keyboard connector.style keyboard connector.

You can use an ATYou can use an AT--style keyboardstyle keyboardwith a PS/2with a PS/2--style socket (or the other waystyle socket (or the other wayaround) by using a converter. Although the ATaround) by using a converter. Although the ATconnector is unique in PCs, the PS/2connector is unique in PCs, the PS/2--style ministyle mini--DIN is also used in more modern PCs for theDIN is also used in more modern PCs for themouse. Fortunately , most PCs that use the minimouse. Fortunately , most PCs that use the mini--

DIN for both the keyboard and mouse clearlyDIN for both the keyboard and mouse clearlymark each minimark each mini--DIN socket as to its correct use.DIN socket as to its correct use.Some keyboards have a USB connection, butSome keyboards have a USB connection, butthese are fairly rare compared to the PS/2these are fairly rare compared to the PS/2connectionconnection

8/7/2019 2188202 Motherboard


USB (Universal serial bus):USB (Universal serial bus):

USB is the GeneralUSB is the General--purpose connectionpurpose connectionfor PC. You can find USB versions of manyfor PC. You can find USB versions of manydifferent devices, such as mice,different devices, such as mice,keyboards, scanners, cameras, and evenkeyboards, scanners, cameras, and evenprinters. a USB connector's distinctiveprinters. a USB connector's distinctive

rectangular shape makes it easilyrectangular shape makes it easilyrecognizable.recognizable.

USB has a number of features thatUSB has a number of features thatmakes it particularly popular on PCs. First,makes it particularly popular on PCs. First,

USB devices are hot swappable. You canUSB devices are hot swappable. You caninsert or remove them without restartinginsert or remove them without restartingyour system.your system.

8/7/2019 2188202 Motherboard


3. Parallel port:3. Parallel port: Most printers use aMost printers use aspecial connector called a parallelspecial connector called a parallelport. Parallel port carry data on moreport. Parallel port carry data on more

than one wire, as opposed to thethan one wire, as opposed to theserial port, which uses only one wire.serial port, which uses only one wire.Parallel ports use a 25Parallel ports use a 25--pin female DBpin female DBconnector. Parallel ports are directlyconnector. Parallel ports are directlysupported by the motherboardsupported by the motherboardthrough a direct connectionthrough a direct connectionoror through a dangle.through a dangle.

8/7/2019 2188202 Motherboard


4. CPU Chip :4. CPU Chip : TheThe central processing unit,central processing unit,also called thealso called the microprocessor microprocessor performs allperforms allthe calculations that take place inside athe calculations that take place inside a

pc. CPUs come in Variety of shapes andpc. CPUs come in Variety of shapes andsizes.sizes.Modern CPUs generate a lot of heat andModern CPUs generate a lot of heat and

thus requirethus require a cooling fan or heat sink.a cooling fan or heat sink.The cooling device (such as a cooling fan)The cooling device (such as a cooling fan)is removable, although some CPUis removable, although some CPUmanufactures sell the CPU with a fanmanufactures sell the CPU with a fanpermanently attached.permanently attached.

8/7/2019 2188202 Motherboard


6. Floppy controller:6. Floppy controller: The floppyThe floppydrive connects to the computer via adrive connects to the computer via a3434--pinpin ribbon cable,ribbon cable, whichwhich in turnin turnconnects to the motherboard. Aconnects to the motherboard. Afloppy controller floppy controller is one that is usedis one that is usedto control the floppy drive.to control the floppy drive.

8/7/2019 2188202 Motherboard


7. IDE controller:7. IDE controller: Industry standardsIndustry standardsdefine two common types of hard drives:define two common types of hard drives:EIDE and SCSI.EIDE and SCSI. Majority of the PCs useMajority of the PCs use

EIDE drives. SCSI drives show up in highEIDE drives. SCSI drives show up in highend PCs such as network servers orend PCs such as network servers orgraphical workstations. The EIDEgraphical workstations. The EIDE drivedriveconnects to the hard drive via a 2connects to the hard drive via a 2--inchinch--wide, 40wide, 40--pinpin ribbon cable,ribbon cable, whichwhich in turnin turnconnects to the motherboard.connects to the motherboard. IDE IDE controller controller is responsible for controlling theis responsible for controlling thehard drive.hard drive.

8/7/2019 2188202 Motherboard


8. PCI slot:8. PCI slot: Intel introduced theIntel introduced theP eripheral component interconnect P eripheral component interconnect bus protocol.bus protocol. The PCI bus is used toThe PCI bus is used toconnect I/O devices (such as NIC orconnect I/O devices (such as NIC orRAID controllers) to the main logic of RAID controllers) to the main logic of the computer. PCI bus has replacedthe computer. PCI bus has replaced

the ISA bus.the ISA bus.

8/7/2019 2188202 Motherboard


9. ISA slot:9. ISA slot: (Industry Standard(Industry StandardArchitecture) It is theArchitecture) It is the standardstandardarchitecture of the Expansion bus.architecture of the Expansion bus.Motherboard may contain some slotsMotherboard may contain some slotsto connect ISA compatible cards.to connect ISA compatible cards.

8/7/2019 2188202 Motherboard


10. CMOS Battery:10. CMOS Battery: To provideTo provideCMOS with the power when theCMOS with the power when thecomputer is turned off allcomputer is turned off all

motherboards comes with a battery.motherboards comes with a battery.These batteriesThese batteries mount on themount on themotherboard in one of three ways:motherboard in one of three ways:the obsolete external battery, thethe obsolete external battery, themost commonmost common onboard battery, andonboard battery, andbuiltbuilt--in battery.in battery.

8/7/2019 2188202 Motherboard


11. AGP slot:11. AGP slot: If you have a modernIf you have a modernmotherboard, you will almostmotherboard, you will almostcertainly notice a single connectorcertainly notice a single connectorthat looks like a PCI slot, but isthat looks like a PCI slot, but isslightly shorter and usually brown.slightly shorter and usually brown.You also probably have a video cardYou also probably have a video card

inserted into this slot. This is aninserted into this slot. This is an Adv anced Graphics P ort ( AGP) Adv anced Graphics P ort ( AGP) slotslot

8/7/2019 2188202 Motherboard


12. CPU slot:12. CPU slot: To install theTo install the CPU,CPU, just slide it straight down into the just slide it straight down into theslot. Special notches in the slot makeslot. Special notches in the slot makeit impossible to install themit impossible to install themincorrectly. So remember if it doesincorrectly. So remember if it doesnot go easily, it is probably notnot go easily, it is probably not

correct. Be sure to plug in the CPUcorrect. Be sure to plug in the CPUfan's power.fan's power.

8/7/2019 2188202 Motherboard


13. Power supply plug in:13. Power supply plug in: TheThePower supply, as its name implies,Power supply, as its name implies,provides the necessary electricalprovides the necessary electricalpower to make the pc operate. thepower to make the pc operate. thepower supply takes standard 110power supply takes standard 110--VVAC power and converts intoAC power and converts into 1212--Volt,Volt,

55--Volt, and 3.3Volt, and 3.3--Volt DC power.Volt DC power.

8/7/2019 2188202 Motherboard


Mother Board Top ViewYou see the jumper settings in this direction.

"N.B.", "S.B." are North Bridge, South Bridge of the chipset.

8/7/2019 2188202 Motherboard


CPU core voltage (JPW1, Red)CPU core voltage (JPW1, Red)

CPU FSB clock frequency (F1CPU FSB clock frequency (F1--F3, Green)F3, Green)

CPU clock multiplying rate (JP1CPU clock multiplying rate (JP1--3,3,Green)Green)

Clock frequency rate of PCI, AGP andClock frequency rate of PCI, AGP andCPU FSB (JAGP1CPU FSB (JAGP1--3, Yellow)3, Yellow)

Reset BIOS settings (JVBAT1, Yellow)Reset BIOS settings (JVBAT1, Yellow)

2188202 Motherboard

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