Hi folks! I need to make a presentation in the University explaining the buses of the PC. I was wondering if someone in forums knows good. On PCs, the old ISA bus is being replaced by faster buses such as PCI. ISA. Micro Channel (MCA). EISA. VESA Local bus (VL-bus). PCI Local bus. AGP. The main difference between MCA and EISA is that EISA/ISA buses are data transfer protocol (SDTP) and a compatible structure for older ISA buses with Association (VESA), were introduced, and there was no longer an EISA card market.

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By using this site, you agree to the Terms of Use and Privacy Policy. See 23 more comments. Technical and de facto standards for wired computer buses.

Types of Buses in Computer Architecture

Views Read Edit View history. This allows data to be sent to or from specific memory locations. The expansion bus facilitates easy protoocols of more or additional components and devices on a computer such as a TV card or sound card.

I mean the typical types of board in cpu and their functions. Dynamic random-access memory refresh. Thanks mugrewa julius for reading and commenting. This means that the data transfers take place in eisq bit chunks i. Data sharing – All types of buses found in a computer transfer data between the computer peripherals connected to it.

Thank you very much, if you don’t mind. It has four DMA channels originally provided by the Intel3 of the DMA channels are brought out to the XT bus expansion slots; of these, 2 are normally already allocated to machine functions diskette drive and hard disk controller:.

Embedded controller chips southbridge and CPUs themselves provide services such as temperature monitoring and voltage readings through these buses as ISA devices. Functions of Buses in Computers Summary of functions of buses in computers 1. Remaining bytes are card specific. I am glad you found much help from this hub. Thanks Ankit for reading and approving my work. Yes No See results. Expansion Bus Types These are some of the common expansion bus types that have ever been used in computers: Power – A bus supplies power to various peripherals connected to it.


One 8-bit and five bit ISA slots on a motherboard. Oci the first 16 MB of main memory is addressable. The next generation of Integrated Drive Electronics drives moved both the drive and controller to a drive bay and used a ribbon cable and a very simple interface board to connect it to an ISA slot.

Chapter 4 Making Connections. This article includes a list of referencesbut its sources remain unclear because it has insufficient inline citations.

A PIC transaction takes place between a master a device takes control of the system busesand a target a device that only responds to access requests. Vsea is used to identify particular browsers or devices when the access the service, and is used for security reasons. ComScore is a media measurement and analytics company providing marketing data and analytics to enterprises, media and advertising agencies, and publishers.

Thanks Schola for reading and approving my work. Different Types of Computer Buses. This is veas for a registered author who enrolls in the HubPages Earnings program and requests to be paid via PayPal. It helped me in understanding the bus architecture.

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For more information on managing or withdrawing consents and how we handle data, visit our Privacy Policy at: First released inthe original USB 1. A single port can connect up 63 external devices. I appreciate you taking the time to write such an extensive article, but I’d the new version of PCI Express, like 3. Data transfer rate pcu from Mbps to mbps, Mbps up to 1.


This article is based on material taken from the Free On-line Dictionary of Computing prior to 1 November and incorporated under the “relicensing” terms of the GFDLversion 1.

Bus Interface ISA (Industry Standard Architecture) VESA local bus – ppt video online download

If you get sometime, remember to check the others. ATA is basically a standardization of this arrangement plus a uniform command structure for software to interface with the HDC within the drive.

But this became a problem as processor speeds increased because, the faster the peripherals are required to run, the more expensive they are to manufacture. Azirap, I am glad you learnt something from this tutorial. Please help to improve this article by introducing more precise citations.

Not only this but it also helped me in preparing notes: VESA slots had extra set of connectors and thus the cards were larger. Your compliments are accepted.

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Thanks danny for reading and commenting. I built a computer last year, but prior to that, it was over 5 years ago. Some articles have YouTube videos embedded in them. Inside computers, there are many internal components. So it is basically used in the small computers. In lateeven floppy disk drives and serial ports were disappearing, and the extinction of vestigial ISA by then the LPC bus from chipsets was on the horizon.

To use this website, you must agree to our Privacy Policyincluding cookie policy. This is an external bus standard that supports data transfer rates of 12 Mbps.