Memory, Motherboard and CPU Edit

PCB: Printed Circuit Board

ATX: Advanced Technologies Extended

ITX: Small form factor mother board

System board component Edit

  • Chipset
  • Expansion slots & buses
  • Memory slot and external cache
  • CPU & Socket
  • Power connector
  • On-board disk connector
  • Keyboard connector
  • Integrated peripheral port & headers
  • BIOS / firmware
  • CMOS batterie
  • Front panel connector

BUS: Parallel computer system component

Northbridge: Hight speed peripheral, FSB, Video card, PCIe, processor to ram.

FSB: Front side bus

STD motherboard chipset shematic

Chipset schematic.svg

Southbridge: All slower on-board peripheral


PCI: 32 bits, 3-inch-long, 33/66 MHz, 133/266 MBps

PCI-x: 64 bits, 66/133/266/533 MHZ 4.3/2.1 GBps

PCIe: Not shared with another PCI. Star topology. 8Gbps. 22 PIN, 1X to 32X

DIMM: Dual Inline Memory Module, 168/184/240 pins

SODIMM: Laptop memory. Small outline dual inline memory module, 200/204/144/72/100pin

Pagefile.sys: Swap file on hard drive, optimised to deliver information to RAM, Virtual Memory.

Power connector: 20 pin on a motherboard

Firmware: Name of a software that is encoded in a hardware (ROM) chip.

BIOS: Basic Input Output System

POST: Power on self test

CMOS & Battery :

  • -Date -Boot sequence -Time
  • -Power_management -HD_configuration -Virtualisation


  • -Memory -Security -CPU setting

Front & top connector:

  • -Power_button -Drive activity

light -Power light

  • -Audio_Jack -Reset button -USB ports

DIP: Dual Inline package

PGA: Pin Grid Array

Hyperthreading: Simultaneous multithreading

MSINFO32.exe : Info about CPU & system

Memory term: Edit

  • -Parity

checking & memory bank

  • -Rudimentary

error checking

  • -Detection

of other memory module

  • -Error

checking & correction : ECC

  • -Single

sided memory & double sided memory

  • -Single,

dual & triple channel memory

  • -Solve

bottleneck between RAM & CPU

  • -Buffered

& Unbuffered memory

  • -Registered

or unregistered

  • =RDIMM or


Cooling tech: Edit

  • -Heat


  • -Peltier

cooling system

  • -Phase

cooling device

  • -Liquid


  • -Undervolting

Types of memory Edit

  • DRAM:

Dynamic Random Memory


(Synchronous DRAM)

    • SDR

SDRAM (Single data rate SDRAM)

    • 184pin -DDR SDRAM (Double data rate SDRAM)
    • 240pin -DDR2 SDRAM (Double data rate V2 SDRAM)
    • 240pin -DDR3 SDRAM (Double data rate V3 SDRAM)
  • SRAM

(static random access memory)

  • ROM

(Read Only Memory)