--PCI Express (PCIe)-A. The VESA Local Bus (usually abbreviated to VL-Bus or VLB) was mostly used in personal computers. Rather than a shared bus, each PCIe slot links to a switch which prioritizes and routes data through a point-to-point dedicated connection and provides a serial full-duplex method of. These expansion boards are normally plugged into expansion slots on the motherboard. However, the ISA bus only allows hardware to address the first 16. v. Peripheral Component Interconnect (PCI) - Each bus slot routes data. 16bit ISA Bus. PCI Express (Peripheral Component Interconnect Express), officially abbreviated as PCIe or PCI-e [ 5] is a high-speed serial computer expansion bus, designed to replace the older PCI, PCI-X, and AGP (Accelerated Graphics Port) standards. ) Drop The CPU and bus can process concurrently. Drag and drop the characteristics from the left onto the orchestration tools that they describe on the right. It does not suffer from limitations of the ISA bus. But whereas ISA had been quite robust -- limited to a maximum clock of 8. Created by VESA Width in bits 32 Speed 25-40. VESA: The main objective of the VESA expansion slots is to maximize video operations according to the display standards and video bus that are established by them. The group that developed the VESA local bus standard (also called VL-bus or VLB), has as well as developed many other standards concerning PCs and their video displays. VESA is an older graphics interface that was replaced by AGP many years ago. 3. ISA began to be replaced by the PCI local bus architecture. 16 bit bus. 3 or 5. 3 33 33 Bits 16 32 32 32 or 64 Mbps 8. Newer systems have a frontside. Both had EISA architecture. The VESA local bus was again just an (unbuffered!) extension of the 80486 address/data bus. 12 Expansion Bus Types PCI=Peripheral Component Interconnect. It contains 32-bit address and data bus and is mainly used for. During the heyday of the VLB, this was usually 33 MHz, and VLB cards usually ran at half that rate, far outpacing the ISA bus. FAQs on VESA Local-BUS What is VESA Local-BUS? VESA Local-BUS (VL-bus) is a peripheral bus that was mostly used in machines with 486 processors. The VESA. Peripheral Component Interconnect (PCI) Replaced ISA and VESA bus standards. Used mostly with AGP-compatible video cards. In 1992, an extension to the ISA bus called the VESA local bus (VL-Bus) started showing up on PC systems, indicating a return to local bus architecture. --PCI Express (PCIe)-Typically used for network cards, USB cards, and sound cards. Types of I/O Buses n n n PCI Local bus n AGP n PC-Card (PCMCIA) n USB n Fire Wire (IEEE-1394) ISA Micro Channel (MCA) n EISA n VESA. Bus (computing) Four PCI Express bus card slots (from top to second from bottom: ×4, ×16, ×1 and ×16), compared to a 32-bit conventional PCI bus card slot (very bottom) In computer architecture, a bus [1] (shortened form of the Latin omnibus, and historically also called data highway [2] or databus) is a communication system that transfers. Bus Type Property ISA EISA VESA PCI MHz 8. . ” The ISA bus was an 8-bit slot on the motherboards of. STD computer card. The AT bus is sometimes referred to as the ISA bus. Packets 2. Some adapters were available in two or three bus variants and a precious few went all the way. (you can use a bus type more than once. PCI Express (PCIe) - Typically used for network cards, USB cards, and sound cards. -> Typically used for network cards, USB cards, and sound. 8. The ISA graphics card is an old graphics card that the most commonly used VGA monitor can support. VESA local Bus Card. AGP 2x, 4x, and 8x offered data transfer rate of 528MB/sec, 1GB/sec,and 2GB/sec respectively. An output Low is 0 to 0. It contains 32-bit address and data bus and is mainly used for video and disk interfaces. It was designed to compete with IBM's Micro Channel architecture. Peripheral Component Interconnect (PCI) Replaced ISA and VESA bus standards. each bus slot routes data through a point-to-point dedicated connection. PCI: ~Is processor independent, meaning the CPU and PCI bus can process concurrently ~Supports plug and play, meaning installed devices are detected and configured automatically ~Most commonly used by devices such as sound cards, modems, network cards, and storage device controllers ~Can run at 33 MHz and transfer data at 133 MB. A typical use for a Mini PCI slot is to add internal cards (such as wireless cards) to laptops. Local Bus Standards. A local computer expansion slot for attaching hardware devices in a computer, which replaced the original ISA and VESA bus configuration. A PCI slot is a 32 to 64-bit bus set at 33MHz to 100MHz. The PC/104 bus is an embedded bus that copies the ISA bus. The original PCI interface is a 32-bit wide parallel bus operating at a 33MHz clock rate and it quickly replaced the ISA and VESA local bus in most applications. physical memory area of up to 16MBytes. PCI and ISA are typically used for non-video expansion cards. Peripheral Component Interconnect (PCI) Each bus slot routes data through a point to point dedicated connection. Peripheral Component Interconnect (PCI)-Replaced ISA and VESA bus standards. Vlb b us traditional io buses such as isa mca our. Now that you are armed with the buzzword definitions, lets compare the different bus types. It contains 32-bit address and data bus and is mainly used for video and disk interfaces. VLB B US Traditional IO buses such as ISA MCA our EISA buses are directly from COMPUTER S AY2017-T2 at University of the People. Find out more about ISA bus architecture and standardization, as well as parallel buses like PCI and VME. 33 MHz and. 32-bit interface; 62/36-pin connector; 90+20 pin VESA local bus extension; The VESA design was backwards compatible with the older ISA cards. --Peripheral Component Interconnect (PCI)-Each bus slot routes data through a point-to-point dedicated connection. Expert Help. The physical interface is not a problem with either ISA or. This is actually a group of graphics card and monitor manufacturers. To add features to your computer, you can typically add a peripheral card to an existing bus slot. 5 VESA local bus design. EISA extends the ISA bus architecture to 32-bit and allows more than one CPU to share the bus. After removing the PCI sound card and powering on the computer, you have no sound and the built-in sound card does not show up in Device. ISA BUS is extremely slow by. CPU JumpersIntroduced by Intel in 1997. • Program interface places on boards that connect to the ISA, VESA local, and PCI buses. MCA stands for "Micro Channel Architecture" was IBM's attempt to replace ISA bus with something bigger and better. replaced isa and vesa bus standards. ISA buses were used to connect peripheral cards to the motherboard, but are considered a legacy device and are no longer available in newer systems. When IBM was developing the original IBM PC, aka the IBM 5150, they knew they wanted it to have expansion slots. 12. VESA is the abbreviation of "Video Electronic Standards Association", co. Central Processing Unit Memory Input/Output (I/O) Devices Disk Storage ProgramsSubjects. These are some of the common expansion bus types that have ever been used in computers: ISA - Industry Standard Architecture. pdf - Free download as PDF File (. The Flat Display Mounting Interface (FDMI), also known as VESA Mounting Interface Standard (MIS) or colloquially as VESA mount, is a family of standards defined by the Video Electronics Standards Association for mounting flat panel monitors, televisions, and other displays to stands or wall mounts. A connection slot for a 32-bit bus Developed to replace the obsolete ISA and VESA bus standards It is processor independent (meaning CPU and PCI can process concurrently) Supports Plug-and-play, meaning installed devices are detected and configured automatically Used most commonly by sound cards, modems, network cards, and storage device controllers Can run at 33MHz and transfer data at. -> Replaced ISA and VESA bus standards. 0 or higher, Windows 3. (You can use a bus type more than once. " ISA is a type of bus used in PCs for adding expansion cards. RAM Slots. It contains 32-bit address and data bus and is mainly used for video and disk interfaces. The VESA Local Bus had a very limited goal. Replaced ISA + VESA bus standards-CPU+PCI bus can process concurrently-supports plug and play-used by soundcards, modems, network cards, and storage device controllers-Runs at: 33 MHz +data transfer speed of 133mb/s or 66MHz +266mb/s data transfer The 16-bit ISA bus was also used with 32-bit processors for several years. ISA was originally an 8-bit computer bus that was later expanded to a 16-bit bus in 1984. PCI Express (PCIe)-Typically used for network cards, USB cards, and sound cards. Peripheral Component Interconnect (PCI) Each bus slot routes data through a point-to-point dedicated connection. A local computer expansion slot for attaching hardware devices in a computer, which replaced the original ISA and VESA bus configuration. Comment. 6 COMPARATIVE STUDY AND CHARACTERISTICS 1) ISA (Industry Standard Architecture) bus: ISA bus was created by IBM. As IBM had patented the whole of the standards mechanical and electric, only this firm really used. ISA acts as an interface between hardware and software. The local bus target asserts LBD* to indicate that the local bus target is selected. Industry Standard Architecture (ISA) is the 16-bit internal bus of IBM PC/AT and similar computers based on the Intel 80286 and its immediate successors during the 1980s. e Replaced ISA and VESA bus standards. (You can use a bus type more than once. Proprietary local buses (q. This expansion slot is developed by VESA which is the acronym for Video Electronics Standards Association. Click the card to flip 👆. The VESA Local Bus (usually abbreviated to VL-Bus or VLB) is a short-lived expansion bus introduced during the i486 generation of x86 IBM-compatible personal computers. The ISA bus is still in use even in the newest computers, despite the fact that it is largely changed since it was expanded to 16 bits in 1984. • Describe operation of the USB and develop some short programs that transfer data. by dmiles · about 22 years, 1 month ago. Specifications and history. Drag each bus type on the left to the appropriate characteristic on the right. PCI made it easier to use video cards as there were no manual adjustments, such as jumpers, that needed to be made. Bus Type Property ISA EISA VESA PCI MHz 8. 27, 2021, 4 p. Created by VESA (Video Electronics Standards Association), the VESA Local Bus worked alongside the then-dominant ISA bus to provide a standardized high-speed. A VESA Bus with a 33MHz CPU clock speed could provide transfer rates of 132 Mbits per second, 26 times more data than the ISA-Bus. PCI slots allowed the video card to connect dynamically between devices. PC Chip Set Manufacturers. Lately, your computer has been spontaneously shutting down after only a few minutes of use. Locate a free VESA or ISA Bus slot on the system board, either a VESA or ISA slot whichever is appropriate for the card to be installed. by gtddrf at Aug. Provides 32 or 64 bit data access. 3. VESA 16-bit 8-bit Was developed to replace the obsolete ISA and VESA bus standards. RG-6 B. Hardware 101 Buses Explained (ISA / VESA / EISA / PCI) • Transportation By BUS • Industry Standards • Faster and Faster • Buzz Words • Bus Comparisons • Benefits of. 85 – 90 Gambar 5. Replaced ISA and VESA bus standards. Updated on Sep 03, 2022. The PCI Local Bus was first implemented in IBM PC compatibles, where it displaced the combination of several slow ISA slots and one fast VESA Local. 77 MHz. PCI Express (PCIe)-Typically used for network cards, USB cards, and sound cards. Peripheral Component Interconnect (PCI) - Replaced ISA and VESA bus standards. ISA: Introduced in 1981 by IBM,. VESA VL-Bus Standard Version 2. e Typically used for network cards, USB cards, and sound cards. The Video Electronics Standards Association (VESA) Local Bus usually abbreviated as VL-bus or VLB ,was the most popular local bus design from its debut in August 1992 through 1994. Learn about ISA (Industry Standard Architecture) and its history. VESA 16-bit 8-bitVESA (VL bus) is a 33MHz extension of the ISA bus used of high-speed data transfer applications. View Notes - Expansion Bus Types (PCI standards). 4/5. , in search results, to enrich docs, and more. Study Resources. Compaq) and then the VESA Local Bus Standard, were late 1980s expansion buses that were tied but not exclusive to the 80386 and 80486 CPU bus. The VLB bus is obsolete and should not be used for new systems. (a) has a licensed gross vehicle weight of equal to or greater than 11. Compaq) and then the VESA Local Bus Standard, were late 1980s expansion buses that were tied but not exclusive to the 80386 and 80486 CPU bus. Peripheral Component Interconnect (PCI) Replaced ISA and VESA bus standards. IEEE 488 stacking connectors. At the bottom is a VLB motherboard. Central Processing Unit Memory Input/Output (I/O) Devices Disk Storage Programs. It has influenced other bus designs and it is still in use in PS/2s and in some minicomputer systems. Every…PCI video cards replaced the EISA, ISA, MCA and VESA buses from 1993 onwards. Although the bus. The VESA Local Bus is a local bus defined by the Video Electronics Standards Association, mostly used in personal computers based on the Intel 80486 CPU. 1634 (1) This section applies to a commercial motor vehicle, other than a bus or 4-wheel drive vehicle, that. 0505. Replaced Isa And Vesa Bus Standards. Requires a third connector (VESA connector) to be added behind the standard 16-bit ISA connector. It is different than the VL-Bus except that it runs at the same speed. Created by VESA (Video Electronics Standards Association), the VESA Local Bus worked alongside the then-dominant ISA bus to provide a standardized high-speed conduit intended. Just to clarify, on a motherboard using standard PCI slots, all PCI devices are connected to the PCI bus and share the same data path, so a bottleneck (i. My MIcronics 80486 ASIC EISA system was a direct thumb nose at MCA by the “Gang of Nine”. From the 486DX2-66 bus VLB or VESA Local bus appeared. VESA (VL bus) is a 33MHz extension of the ISA bus used of high-speed data transfer applications. e. Replaced ISA and VESA bus standards. at system speed Memory, display, disk drives all can use local bus. PCI Express (PCIe) A. July 11, 2023 Dwayne Morise. Benefits of PCI. 32 bit bus slots backward compatible with 8 and 16 bit ISA as well as the VLB for a dedicated. The ISA bus is used in single-user systems with 80386 and 80486 processors. The interface. and later by the need to accommodate the large number of existing ISA peripheral cards. ii. Different types of standard. , Each bus slot routes data through a point-to-point dedicated connection. ISA stands for Industry Standard Architecture. The ISA AT bus is OBSOLETE, replaced by the PCI bus. Pages 364 This preview shows page 177 - 181 out of 364 pages. 5) PCI Buses 9. VESA (Video Electronics Standards Association) Local Bus worked alongside the ISA bus; it acted as a high-speed conduit for memory-mapped I/O and DMA, while the ISA bus handled interrupts and port-mapped I/O. 77 MHz and a data transfer speed of 2. 0 Type-A connector and is often used on wired mice and keyboards or for a USB memory stick. An expansion bus architecture is the same as expansion slot type. PCIe characteristics-Each bus slot routes data through a point-to-point dedicated connection-typically used for network cards, USB cards, and sound cards-data rates depend on the protocol version and. Industry Standard Architecture (ISA) is a bus standard that was developed in 1984 by a team of engineers at IBM. Peripheral Component Interconnect (PCI) Replaced ISA and VESA bus standards. While some newer computers still have PCI and AGP slots, PCIe has basically replaced all the older technologies. 33Mhz -- VLB was clocked at 25/33Mhz and was plagued with unreliability, especially. 38. question. The VESA local bus was again just an (unbuffered!) extension of the 80486 address/data bus. You should be to able to quickly see that the PCI technology surpasses the others. In 1987-88, two new I/O buses were put forward. Buses that have been replaced by newer types are considered legacy buses. Figure 1: 8 and 16-bit ISA expansion slots(VESA is the Video Electronics Standards Association. Figure 10. today's standards and not suited to the use of a. 8/8/2019 ISA BUS Raporu. 8v, High is 2. Study with Quizlet and memorize flashcards containing terms like The CPU and bus can process concurrently. ISA buses initially took the name “PC bus” or “AT bus. Typical PCIE module and system slots. 1)ISA-It provides a 16-bit data bus. Peripheral Component Interconnect (PCI) Each bus slot routes data through a point-to-point dedicated connection. Over a decade ago, the PC Industry was overcome with the introduction of the Industry Standard Architecture Bus, short for ISA Bus. -> Each bus slot routes data through a point-to-point dedicated connection. 486 class systems with an ISA bus will usually have 2 slots that are “local bus,” or directly connected to the CPU for better performance. e Typically used for network cards. Industry Standard Architecture 1. The ISA (industry standard architecture) bus operates at 8 MHz speed, and it is one of the oldest data buses. 802. ADVERTISEMENT. then the. The CPU and bus can process concurrently. 16 bit bus. PCI Express (PCIe) - Typically used for network cards, USB cards, and sound cards. The CDL school bus driver license practice test will examine your knowledge of danger zones and use of mirrors, loading and unloading, emergency exit and evacuation, and student management. ) Characteristics:-> The CPU and bus can process concurrently. PCI Express (PCIe)-A. AGP - Attaches to the motherboard to allow additional cards to be installed. PCI-X capabilities are added to the PCI bus and the ISA bus is replaced by a second PCI-X bus, on the PCI-ISA backplane. Features of The VESA Local Bus Card. The group that developed the VESA local bus standard (also called. VESA local Bus Card. - The CPU and bus can process concurrently. One of those was ATI’s mach32 graphics chip and the adapters based on it, Graphics Ultra Pro and Graphics Ultra + (using VRAM vs. VESA VL-Bus Plug and Play Addendum (Dated:. PCI: Is processor independent, meaning the CPU and PCI bus can process concurrently. The (16 bit) ISA bus was basically just a (buffered) extension of the 80286 address/data bus. O VLB é uma barramento de 32 bits que fisicamente, é uma extensão do slot ISA presente na placa-mãe dos microcomputadores desenvolvidos durante a era 80486. The different types of expansion bus architecture are the ISA, MCA, EISA, VESA VLB, and PCI. In 1984, with the introduction of the IBM AT computer (which used the 80286 processor, introduced by Intel in 1982), ISA was expanded to a 16 bit bus that ran at 8. •. The internal bus (main bus, processor bus) section connects all the internal computer components of the CPU and main memory. IEEE 488 is a short-range digital communications 8-bit parallel multi-master interface bus specification developed by Hewlett-Packard as HP-IB (Hewlett-Packard Interface Bus). 33 MB/sec • The 16 bit ISA bus adding an optional 16 bit extension connector. Peripheral Component Interconnect (PCI) - Replaced ISA and VESA bus standards. With the challenge of implementing an ISA-bus to configure the card he set out on his mission. This bus was Developed by the "Gang of Nine" (nine non-IBM manufacturers of IBM-compatible PCs, led by Compaq) when a 32-bit PC bus standard was needed and IBM wanted high royalties for its MCA bus. This is the VGA feature connector, though, and not the VESA Advanced Feature Connector (which allows for more video bandwidth - something you'd need if you were expecting to pass through much more than 800x600, or more than 8 bits of pixel depth). The signals on the bus support -. The staying power of ISA proved problematic in some areas, and led to periods when alternate standards emerged. VESA VL Bus - (Video Electronics Standards Association) First to gain popularity ; 32 bit bus running at 33 MHz can handle up to 107Study with Quizlet and memorize flashcards containing terms like A. 4 GHZ with a maximum transmission rate of 600 Mbps . Slide 1Bus Interface ISA (Industry Standard Architecture) VESA local bus –(Video Electronics Standards Association) PCI (peripheral component interconnect) USB (Universal…Extended Industry Standard Architecture (in practice almost always shortened to EISA and frequently pronounced “eee-suh“) that extends the ISA standard to a 32-bit interface. This is actually a group of graphics card and monitor. 4v to Vcc. The speed of the system data bus is based on the clock rate of the motherboard's crystal. Expansion slots are standardized connections that provide a common access point for installing devices. VESA (VL bus) is a 33MHz extension of the ISA bus used of high-speed data transfer applications. Processors range from the 386SLC-25, 486SX-25, 486DX-33, and 486DX2-66 to the Pentium 60. Peripheral Component Interconnect (PCI) Each bus slot routes data through a point-to-point dedicated connection. The ISA graphics card is an old graphics card that the most commonly used VGA monitor can support. Each bus slot routes data through a point-to-point dedicated connection. Log in Join. Replaced ISA and VESA bus standards. PCI and ISA are typically used for non-video expansion cards. The cable needs to be run though a raised floor. 5/18/23, 11:14 PM TestOut LabSim The following are characteristics of the listed bus types: Peripheral Component Interconnect (PCl) e The CPU and bus can process concurrently. PCI was. Peripheral Component Interconnect (PCI) is a local computer bus for attaching hardware devices in a computer and is part of the PCI Local Bus standard. no. Not seen much anymore. There once was an attempt to extend ISA into a 32-bit bus, called Extended Industry Standard Architecture (EISA). View full document. PCI Express (PCIe) A. The VESA Local bus was created to split the load and allow the ISA bus to handle interrupts and port I/O (input/output) and to work with Direct Memory Access (DMA) and. PCI (Peripheral Component Interconnect) ISA (Instruction Set Architecture) is part of the abstract model that defines how the CPU is controlled by software. This was replaced by PCI. By connecting a video expansion card to the VLB, you can add extra graphics capabilities to your computer. - Flash memory Controls communication between the CPU, memory, and high speed graphics bus. pdf), Text File (. Bus Interface ISA (Industry Standard Architecture) VESA local bus (Video Electronics Standards Association) PCI (peripheral component interconnect). ISA acts as an interface between hardware and software. It has subsequently been adopted for other computer types. Card – Card Isa hingga Vl-Bus Gambar 6. • Transportation By BUS • Industry Standards • Faster and Faster • Buzz Words • Bus Comparisons. Rather than a shared bus, each PCIe slot links to a switch which prioritizes and routes data through a point-to-point dedicated connection and provides a serial full-duplex method of. The USB front panel connector was not properly connected. ISA (Industry Standard Architecture) is a standard bus (computer interconnection) architecture that is associated with the IBM AT motherboard. Drag each bus type on the left to the appropriate characteristic on the right. Lacked bandwidth for graphical user interfaces (MS Windows). AGP A dedicated bus type used by dedicated video cards. Edit. question. Over time, the PCI and AGP slots erased VESA interfaces from existence. Drag each bus type on the left to the appropriate characteristic on the right. (V-L-B or V-L-bus) An expansion bus standard proposed to replace ISA, EISA, and Micro Channel. VESA graphics card. It allows 16 bits at a time to flow between the motherboard circuitry and an expansion slot card and its associated device(s). up to 12 interrupt request (IRQ) channels. When buying a PC, you could read in the technical data how many 8- and 16-bit ISA slots were available. Alchetron . A dedicated bus type used by dedicated video cards. Study Resources. (PCI) was developed to replace the obsolete ISA and VESA bus standards. ISA bus is a parallel bus with a separate (not multiplexed) address and data signals. Vlb b us traditional io buses such as isa mca our. 3 33 33 Bits 16 32 32 32 or 64 Mbps 8. ISA: Stands for "Industry Standard Architecture. VESA graphics card. 33 MHz cycle rate for use with 386DX or higher processors. The ISA Bus. (You can use a bus type more than once. It has a 32-bit bus and it was a temporary fix developed to help improve the performance of ISA. The attempt wasn’t very successful and the EISA was largely replaced by the later VESA Local Bus and the PCI bus. different types of BUS bus vesa local bus vesa local bus (sometimes called the vesa vl bus) is standard interface between your computer and its expansion slot. With these settings and a 12. 0 Type-B connector commonly used with a printer, scanner, or other large device. PCIe A high-speed serial computer expansion bus standard designed to replace the older PCI, PCI-X, and AGP bus standards. Benefits of PCI. PCI Express (PCIe) - Typically used for network cards, USB cards, and sound cards. VESA (Video Electronics Standards Association) made VESA Local Bus (VL-Bus or VLB). This article is provided by FOLDOC - Free Online Dictionary of Computing (foldoc. docx - 3. The PCI was first implemented in IBM PC compatibles, where it displaced the combination of several slow ISA slots and one fast VESA Local Bus slot as the bus configuration. The YouTuber had cracked the 25 fps milestone. PCI (Peripheral Component Interconnect) ISA (Instruction Set Architecture) is part of the abstract model that defines how the CPU is controlled by software. 4) VESA Buses 8 3. txt) or read online for free. 1,. Notes. Doc Preview. Mar 29, 2012. It contains 32-bit address and data bus and is mainly used for video and disk interfaces. It is desirable to have wide buses because large chunks of data can be transferred quickly when multiple lines can be used. Yes VESA is a local bus , and most probably PCI is also a. Originally referred to as. Parallel portISA, at least for a time, was concurrent with the PCI standard. The PCI bus was introduced in 1991 as a replacement for ISA. It has subsequently been adopted for other computer types. The VLB, or VL-bus is a hardware interface on the computer's motherboard that is attached to an expansion slot. Attached devices can take either the form of an integrated circuit fitted onto the motherboard or an expansion card that fits into a slot. (PCI) was developed to replace the obsolete ISA and VESA bus standards. VESA is an acronym that stands for the Video Electronics Standards Association. The VLB is an older local bus. A PCI Express (PCIe) expansion bus is best for high-speed, high-resolution, three-dimensional graphics. Pronounced "eye-suh," ISA accepted cards for sound, display, hVLB Expansion Slot. If you. The ISA is longer (by about two inches), and thus the I/O cards that connect via ISA tend to be bulkier as well. LabSim 3. BUS • A data connection between two or more devices connected to the computer. Around 1993, the Video Electronics Standards Association (VESA) came up with a 32-bit way to get data into and out of a video card--VESA Local-Bus.