VESA Local Bus(redirected from VL bus)
VESA Local Bus(hardware, standard)
(VL, VLB) A local bus defined by the Video Electronics Standards Association, mostly used in personal computers based on the Intel 486. See also PCI.
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VL-bus(VESA Local-BUS) A peripheral bus from VESA that was primarily used in computers with 486 CPUs. VL-bus provided a high-speed data path between the CPU and peripherals (video, disk, etc.). It was a 32-bit bus that supported bus mastering and ran at speeds up to 40 MHz. With up to three VL-bus slots on the motherboard, each slot was in two parts: one Micro Channel slot along with an ISA, EISA or a second Micro Channel slot. See PC data buses.
|The VL-bus was widely used on 486 motherboards, providing a wider bandwidth for peripheral data transfer than the traditional ISA bus.|
|Types of Expansion Cards|
|Of all the bus types in this illustration, PCI is the only one found in new computers. AGP, ISA, EISA, Micro Channel and VL-bus are obsolete.|
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