FAQ: What Does The Front Side Bus Do?

What is the function of the front side bus in a computer?

In computers, the front side bus ( FSB ) or system bus is a term for the physical bi-directional data bus that carries all electronic signal information between the central processing unit (CPU) and other devices within the system such as random access memory (RAM), AGP video cards, PCI expansion cards, hard disks, the

Is front side bus still used?

The front side bus ( FSB ) has been completely replaced by what Intel is calling QuickPath Interconnect (QPI). Intel is bringing back Hyperthreading – these new chips will be able to handle two threads per core. X58 motherboards from Intel will initially include four RAM slots.

Which bus is called as front side bus?

Short for front – side bus, FSB is also known as the processor bus, memory bus, or system bus and connects the CPU (chipset) with the main memory and L2 cache.

Where is the front side bus located?

The FSB is located on the computer’s motherboard where it connects the CPU to memory and peripherals.

What are the 3 types of buses?

Three types of bus are used.

• Address bus – carries memory addresses from the processor to other components such as primary storage and input/output devices.
• Data bus – carries the data between the processor and other components.
• Control bus – carries control signals from the processor to other components.

What is bus speed?

Bus speed usually refers to the speed of the front side bus (FSB), which connects the CPU to the northbridge. FSB speeds can range from 66 MHz to over 800 MHz. Since the CPU reaches the memory controller though the northbridge, FSB speed can dramatically affect a computer’s performance.

How can I increase my FSB speed?

When you OC the fsb, you are overclocking the processor. Make sure that you can get rid of the extra heat. Make sure that you keep the pci/agp/pci-x bus speeds where the already are, or close to it.

What is the difference between a front side bus and a back side bus?

” Front side ” refers to the external interface from the processor to the rest of the computer system, as opposed to the back side, where the back – side bus connects the cache (and potentially other CPUs).

How is front side bus speed calculated?

The speed of the frontside bus is measured in Megahertz or Gigahertz, just like the processor. Most computers’ processors run faster than their system buses, so the FSB speed is typically a ratio of the processor speed. For example, a Pentium 4 processor that runs at 2.4 GHz may have an FSB speed of only 400 MHz.

What is System bus?

The system bus is a pathway composed of cables and connectors used to carry data between a computer microprocessor and the main memory. The system bus works by combining the functions of the three main buses: namely, the data, address and control buses.

What is bus width?

Bus width refers to the number of bits that can be sent to the CPU simultaneously, and bus speed refers to the number of times a group of bits can be sent each second. A bus cycle occurs every time data travels from memory to the CPU.

What is the front side bus quizlet?

The front side bus connects the CPU to the motherboard components. combines more than one CPU in a single unit: dual-core(2 cores), tri-core(3 cores), quad-core(4 cores), hexa-core(6 cores), octa-core(8 cores).

What are the 2 components that must utilize the same front side bus speed?

What Are Two Components That Must Use the Same Front Side Bus Speed? The Central Processing Unit and the main memory must both use the same Front Side Bus speed. The FSB connects the main memory and the CPU to each other and is used to provide access to other components in the computer.

What is FSB and BSB?

The bus that connects the CPU to the memory is called the front-side bus ( FSB ) or system bus. They will usually connect to Level 2 cache through the back-side bus ( BSB ). The BSB is much faster than the FSB.

Which CPU to front side bus ratio would provide better performance?

The 2:1 CPU to front – side bus ( FSB ) ratio would provide better performance than the other ratios. The smaller the ratio, the more efficiently the processor will operate. When the ratio is high, the processor often has to wait for data to be sent out over the FSB before getting new data to process.