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IT4nextgen > Key Concepts > Motherboard:Types and Components Explained

Motherboard:Types and Components Explained

Last Updated February 25, 2023 By Subhash D 46 Comments

Motherboard Explained

The motherboard is the main component of any branded or assembled PC, laptop, tablet, or mobile phone. Now you must be curious, why it is called the motherboard? The motherboard is a Printed Circuit Board that acts as the main platform for communication between all other components of a system. All the other computer parts are either directly installed or connected to various motherboard components and all the data is transferred between them through the motherboard.

Different Types of Motherboards

AT Motherboards

The oldest of the main boards, these motherboards were used in earlier 286/386 or 486 computers. The AT means the board consists of advanced technology(AT) power connectors. There are two power connectors of 6 pins each mounted on the AT motherboards. The AT motherboards were available in the early ’80s.

 

motherboard type-486

ATX Motherboards

The ATX motherboards started in ’90s and are still available. The ATX connector on the motherboard consists of a single connector. These boards are used for P2/P3 or P/4 processors.

Motherboard for P1/P2 processors:

Motherboard types-P2

Pentium 4 motherboard

motherboard-p4

Also Read: Motherboards with High End Graphics

Motherboard Components

The motherboard consists of various components which have their own role to play in the functioning of a computer. Let us discuss various motherboard components and know their definition and role.

Expansion Slots

ISA slots. These were the oldest expansion slots in the history of motherboards. They were found in AT boards and are identified by black color. Conventional display cards or sound cards were installed in these slots. The full form of ISA is Industry Standard Architecture and is a 16-bit bus.

PCI Slots. The full form of PCI is Peripheral Component Interconnect. The PCI slot is one of the important motherboard components today and is vastly used to install add-on cards on the motherboard. The PCI supports 64-bit high-speed bus.

PCI Express. Also known as PCIe, these are the latest and the fastest component of the motherboard to support add-on cards. It supports a full duplex serial bus.

AGP slot. An accelerated graphics port(AGP) is specifically used to install the latest graphics card. AGP runs on a 32-bit bus and both PCIe and AGP can be used to install high-end gaming display cards.

RAM(memory) slots

SIMM slots. The full form is a single in-line memory module. These slots were found in older motherboards, up to 486 boards. The SIMM supports a 32-bit bus.

DIMM slots. The full form of DIMM is a Double inline memory module. These are the latest RAM slots that run on a faster 64-bit bus. The DIMM used on Laptop boards is called SO-DIMM.

CPU Socket

Another vital motherboard component is the CPU socket which is used to install the processor on the motherboard. Some important sockets are explained below.

Socket7. It is a 321-pin socket that supported older processors like Intel Pentium 1/2/MMX, AMD k5/K6, and Cyrix M2.

Socket370.  It is a 370-pin socket that supports Celeron processors and Pentium-3 processors.

Socket 775. It is a 775-pin socket that supports Inter dual core, C2D, P-4, and Xeon processors.

Socket 1156. Found on the latest types of motherboards, it is an 1156-pin socket that supports the latest Intel i-3, i-5, and i-7 processors.

Socket 1366. The socket is of 1366 pins and supports the latest i-7 900 processors.

BIOS

The full form of BIOS is Basic Input Output System. It is a motherboard component in the form of an Integrated chip. This chip contains all the information and settings of the motherboard which you can modify by entering the BIOS mode from your computer.

CMOS Battery

The battery or a cell is a 3.0 Volts lithium type cell. The cell is responsible for storing the information in BIOS and the full form is Complementary Metal Oxide Semi-Conductor.

Power Connectors

In order to receive power from SMPS, there are connectors mounted on the motherboards.

AT connector. It consists of 2 number of 6 pin male connectors and is found on old types of motherboards.

ATX connector. The latest in the series of power connectors are either 20 or 24-pin female connectors. Found in all the latest types of motherboards.

IDE connector

The Integrated Drive Electronics (IDE) connectors are used to interface disk drives. The 40-pin male connector is used to connect IDE hard disk drives and the 34-pin male connector connects to Floppy Disk Drive.

SATA connector

The latest in the series, the connectors, Serial Advance Technology Attachment(SATA) are 7-pin connectors to interface the latest SATA hard disks or optical drives. They are much faster than IDE interfaces.

Co-Processor

The co-processor is one of the important motherboard components and helps the main processor in mathematical calculations and computer graphics.

Cabinet connections

The cabinet in which the motherboard is installed has many buttons that connect to the motherboard. Some of the common connectors are Power Switch, Reset Switch, Front USB, Front Audio, Power indicator(LED), and HDD LED.

motherboard-cabinet-connectors

motherboard-component-usb-port

I/O interface connectors

motherboard-interface-connectors
input-output-interface

Choosing the right type of motherboard that is compatible with other parts of the computer is a vital step in determining the overall speed of your PC. Once you learn about various motherboard components, you can easily assemble your own PC or solve the basic hardware issues in the motherboard.


Also Read:  Best Gaming Mouse

Filed Under: Key Concepts Tagged With: Computer hardware

About Subhash D

A tech-enthusiast, Subhash is a Graduate Engineer and Microsoft Certified Systems Engineer. Founder of it4nextgen, he has spent more than 20 years in the IT industry.

Comments

  1. rakesh says

    February 27, 2017 at 11:39 am

    hard ware is good work and very hard

    Reply
  2. Shahbaz says

    March 11, 2017 at 5:09 pm

    Very well written about Motherboard

    Reply
  3. Paulcent says

    March 23, 2017 at 3:29 pm

    Well explained,very detailed.

    Reply
  4. KRISHNAN says

    May 4, 2017 at 3:24 pm

    I want P1 mother Board ( 10 to 15 Numbers ) with Processor & RAM in Good Working condition. Even lesser Quantity is also acceptable.

    Reply
  5. Khumail Tahir says

    May 6, 2017 at 11:04 am

    Its Good dawmn good

    Reply
  6. pretty mahlangu says

    May 11, 2017 at 2:51 pm

    it may look quiet complicated but its very well and understandable.

    Reply
  7. Sathya says

    June 6, 2017 at 10:19 pm

    Very well explanation of the motherboard

    Reply
  8. Himanshu says

    June 22, 2017 at 10:56 am

    Tremendous description about mother board….
    Need for the description about processor and its history.

    Reply
  9. tushar sharma says

    July 1, 2017 at 11:41 pm

    nice article as this is what I m looking earlier thanks for sharing

    Reply
  10. Ammad Maqbool says

    July 8, 2017 at 9:51 am

    Thanks for doing this exellent job

    Reply
  11. prathmesh patil says

    September 19, 2017 at 1:14 pm

    not bad but god

    Reply
  12. qirat says

    September 24, 2017 at 6:33 pm

    not bad,good explanation…

    Reply
  13. Adam says

    October 6, 2017 at 8:39 am

    Excellent and thanks a lot. And I have one query. Is there any easy way to find what type of motherboard I have been using without seeing the motherboard. Like any CMD PMT code or third party software available.thanks in advance

    Reply
    • Subhash D says

      October 7, 2017 at 7:53 pm

      Hi Adam, yes there are many options to do so. You can use msinfo32(system information)command in run window or use CPU-Z software to find more details about motherboard and other hardware components. Check my latest article on how to find type of motherboard without opening cabinet.

      Reply
  14. Annaffi says

    October 11, 2017 at 6:38 am

    THANKS FOR THE ANSWER

    Reply
  15. Shreedhar says

    October 25, 2017 at 10:23 am

    Thanks for the information , very sweet and easily understandable .

    Reply
  16. Liz says

    November 1, 2017 at 8:33 pm

    Thanks for that ,it really did help me

    Reply
  17. veerpal singh says

    November 9, 2017 at 10:02 am

    thanks you

    Reply
    • konda says

      January 6, 2018 at 12:04 pm

      my pleasure

      Reply
  18. ravindra says

    November 30, 2017 at 7:49 pm

    Super Anna most use fully this information thanks Anna thanks ……….

    Reply
  19. Mutairu says

    December 8, 2017 at 4:28 pm

    Thanks I Really Appreciat It

    Reply
  20. konda says

    January 6, 2018 at 11:59 am

    ok its nyc bhai

    Reply
  21. konda says

    January 6, 2018 at 12:00 pm

    bhai its ncy

    Reply
  22. Thomas says

    March 24, 2018 at 7:45 pm

    That’s nice πŸ‘

    Reply
  23. Sammy by grace says

    May 7, 2018 at 5:57 pm

    I love this it has helped alot

    Reply
  24. Aryan says

    July 15, 2018 at 8:12 pm

    Very usefull

    Reply
  25. kolekar priyanka says

    July 27, 2018 at 1:26 pm

    excellent explanation

    Reply
  26. mayuri nagane says

    July 27, 2018 at 1:26 pm

    very nice explanation to the motherboard

    Reply
  27. mayuri nagane says

    July 27, 2018 at 1:27 pm

    very nice explanation

    Reply
  28. sairam says

    September 5, 2018 at 2:48 pm

    very good information.motherboard types and components Different between AT and ATX.
    Thank you for the valuable information .

    Reply
  29. Natik faraz says

    September 9, 2018 at 4:22 pm

    Good information for mother board…

    Reply
  30. Mtajwaha says

    December 1, 2018 at 9:58 pm

    Nice work was done

    Reply
  31. Yobsan says

    January 2, 2019 at 9:39 am

    Thank you for the your information.

    Reply
  32. chiko says

    January 5, 2019 at 5:57 pm

    right on point my friend

    Reply
  33. alfred omaks says

    January 6, 2019 at 1:40 am

    nice job..but I will love you to explain about the north and south bridge of a motherboard..tank’s!!!

    Reply
  34. ankit tomar says

    January 8, 2019 at 3:25 pm

    it’s good now

    Reply
    • ZEEBEE says

      January 18, 2022 at 11:25 pm

      Yeah I think it’s really helpful.THANKSπŸ‘ŒπŸ‘ŒπŸ‘ŒπŸ‘ŒπŸ‘Œ

      Reply
  35. A. Anaati says

    October 20, 2019 at 7:47 pm

    Clearly explained.
    Its easy to understand for any reader.

    Reply
  36. Rishi Jain says

    June 7, 2020 at 11:24 am

    Hello Sir/Mam,
    I am Rishi Jain and I have completed the Computer Hardware and Networking Maintenance Course and side by side I have completed the CompTIA A+ Course from Alison Website. I want to add this information to the Motherboard topic are:-

    1. What is ChipSet?
    2. What is the North Bridge and South Bridge?

    I am thankful to you for providing me a good knowledge about Motherboard. I want to add this topic to your Information field.

    Thanks & Regard
    Rishi Jain
    rishijain2018@gmail.com

    Reply
    • Shahid Raza says

      November 29, 2020 at 11:34 am

      can you please explain from which element, the part of motherboards are made?

      Reply
  37. solomon kpayeh says

    October 28, 2020 at 5:59 pm

    great knowledge of motherboard

    Reply
  38. RAJESH KUMAR says

    January 17, 2021 at 8:18 pm

    great knowledge of motherboard

    Reply
  39. JAMES KINGZ says

    January 18, 2021 at 2:16 pm

    It was a very good explanation.

    Reply
  40. Khalid says

    February 14, 2021 at 5:29 pm

    Everything if you want to need on mother board meeting this

    Reply
  41. Zeebee says

    January 18, 2022 at 11:30 pm

    What are the recommendation for choosing the best motherboard

    Reply
  42. Mukisa George says

    February 22, 2022 at 10:59 am

    This is really great knowledge πŸ‘πŸ‘πŸ‘ I like it

    Reply

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