Thursday, June 26, 2014

12 Basic Mobo Parts

Two days before my TESDA Computer Hardware Servicing (National Certificate) NC II examination. This is part of my review for the said assessment.

12 Basic Parts of a Mobo (slang for Motherboard):
  1. I/O ports - this is located in the rear panel of the CPU. This is use to connect the outside hardware or peripherals of the computer.
  2. ATX Power Connectors:
    1. ATX Power connector (4 pin) - this is use to connect the 4 pin of the power supply unit (PSU) .This is separate of the 20 or 24 pin of ATX power supply to provide DC voltage of computer processor.
    2. ATX Power connector (24 or 28 pin)- a group of connector of the MOBO, This is separate of the 4 pin power assignments. Its provide a DC power output to the system board(SB)from the output of the Power Supply Unit.
  3. Processor’s ZIF Socket - part of MOBO which is use to hold the processor or CPU chip (Zero Insertion Force). The compatibility of the socket depends on the computer processor type such as the AM2 socket of the AMD and the socket 775 of the Intel company.
  4. Memory slot (DIMM) - this is called Dual Inline Memory Module which is the computer's memory slot or what we call RAM. The memory slot depends on the type of the memory such as the PC 133 SDRAM and PC 400 SDRAM-DDR 1.
  5. CMOS/BIOS jumper - this is use to disable the BIOS default setup such as disabling the supervisor password of the BIOS.
  6. IDE connector (Integrated Drive Electronics) - this is use to connect the IDE cable of the HDD (Hard Disk Drive) or CD/DVD ROM to the motherboard IDE.
  7. SATA connector - this is Serial Advance Technology Attachment. The new standard of the IDE connection array of the computer HDD (SATA HDD) to the motherboard system.
  8. FDD connector - the connector of the FDD cable through the system board. Normally there are 34 pins out of it to connect the 3.5” 1.44mb Floppy Disk Drive.
  9. Front panel connectors (F-Panel) - this is use to connect the Power LED, HDD LED, Power Switch and Reset switch of the computer system unit(CPU).
  10. PCI slots - part of the computer motherboard that is use to connect the I/O cards of the computer such as LAN card, WIFI card, USB expansion card and sound card.
  11. PCI express slot - part of the computer that holds the computer video card (VGA), the PCIe card. The latest card used which is most compatible with 3D and 4G gaming of the computer. (The old video card type is the AGP or Accelerated Graphic Ports.
  12. Controller Hubs:
    1. North Bridge IC - another name of the north bridge is Memory Controller Hub (MCH) which is assigned to manage and control the computer memory before the processing of the CPU chip.
    2. South Bridge IC - another name of the south bridge is I/O Controller Hub (ICH) which is a microchip tasked to control all the input and output devices of the computer such as the keyboard and mouse, the monitor screen of the computer, that is commonly found at the back of the CPU or system unit.

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