Motherboard and Buses

Question 1

CPU socket

Answer 1

• Houses the CPU

Question 2

Memory slots

Answer 2

• Motherboards have multiple memory slots

* Designed to be compatible with specific types of memory modules

Question 3

Expansion slots

Answer 3

• Expand the capabilities of your computer
• PCI (Peripheral Component Interconnect)
• PCI-X (Peripheral Component Interconnect Extended)
• PCIe (Peripheral Component Interconnect Express)
• Accelerated Graphics Port (AGP)

Question 4

Onboard Components

Answer 4

• Ex. network cards, audio cards, video cards, or USB

and FireWire connections

Question 5

I/O connectors

Answer 5

• PS/2 mouse and keyboard ports
• USB ports
• Serial ports (COM 1,2,3, and 4)
• Parallel port
• Audio jack
• Ethernet port

Question 6

Internal Connectors

Answer 6

• Components such as power supplies, fans, and LED

lights

Question 7

Firmware

Answer 7

• Stored on integrated flash memory
• BIOS (Basic Input Output System
• UEFI ( Unified Extensible Firmware Interface)

Question 8

CMOS Battery

Answer 8

• Keeps an accurate date and time even when the

motherboard has no power

Question 9

Chipset

Answer 9

• Group of chips that facilitates communication
  between the processor, memory, and peripheral
  devices

Question 10

Northbridge

Answer 10

• Sits near the CPU
• Provides controls: Memory Bus
• High speed graphics bus (PCIe)
• Southbridge communication

Question 11

Southbridge

Answer 11

• Includes:
  * Real-time clock
  * Power management controls
  * PCI bus and USB device controllers

Question 12

Newer Chipsets

Answer 12

• Moved away from North/southbridge
• Memory & graphics controllers are on CPU
• Rest of north/southbridge are combined into a single
  controller chip
  * Intel uses Platform Controller Hub (PCH)
  * AMD uses Fusion Controller Hub (FCH)
• Front side bus is replaced by Direct Media Interface (DMI)