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BUS

bulletIndustry Standard Architecture (ISA) - 8 or 16 bits
bulletExtended Industry Standard Architecture (EISA) - 8 or16 bits
bulletMicrochannel Architecture (MCA) - 16 or 32 bits
bulletVESA Local Bus (VLB) - 32 bits
bulletPeripheral Component Interconnect (PCI) - 32 or 64 bits
bulletAccelerated Graphics Port (AGP ) - 32 bits

CHIPSET

The North Bridge chipset is the heart of the computer since it controls and determines how fast and which type of processor, memory, and slots are used. Another chip on the motherboard is called the South Bridge which controls the ISA bus.

BIOS CHIPSET

The basic input/output system of your computer, also known as the BIOS  On pc based  computer systems the BIOS makes sure all the other chips, hard drives, ports and CPU function together.

GRAPHICS ADAPTER

The hardware to run graphics is called a graphics card or video card. The bus this card uses to connect to the computer is key to the computer's ability to handle video. Intel develop a bus for graphics called AGP or Accelerated Graphics Port

Peripheral Component Interconnect (PCI). It provides direct access to system memory for connected devices, but uses a bridge to connect to the frontside bus and therefore to the CPU.

Bus Type
Bus Width
Bus Speed
MB/sec
ISA
16 bits
8 .3MHz
16 MBps
EISA
32 bits
8 .3MHz
32 MBps
VL-bus
32 bits
25 MHz
100 MBps
VL-bus
32 bits
33 MHz
132 MBps
PCI
32 bits
33.3 MHz
132 MBps
PCI2
64 bits
33.3 MHz
264 MBps
PCI
64 bits
66 MHz
512 MBps
PCI
64 bits
133 MHz
1 GBps

 

With a PCI-based graphics card, every texture map has to be stored twice.With AGP only once.

Industry Standard Architecture (ISA) bus. The improved bus was capable of transmitting information 16  bits at a time, compared to 8 bits on the original ISA bus.

IDE host adapter, it provides a way to connect a  device to the computer (host). The actual controller is on a circuit board attached to the Hard drive or CDROM OR DVD. That's the way it's called Integrated Drive Electronics .

Motherboards OR Computer Help

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Last modified: July 07, 2011