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VL-bus

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(VESA Local-BUS) A peripheral bus from VESA that was primarily used in 486s. It provided a high-speed data path between the CPU and peripherals (video, disk, network, etc.). VL-bus was a 32-bit bus that supported bus mastering and ran at speeds up to 40 MHz. It generally provided up to three slots on the motherboard, each slot using one 32-bit Micro Channel connector placed adjacent to the standard ISA, EISA or Micro Channel connector. See PC data buses.

The VL-bus
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 Boards
Of all the bus types in this illustration, PCI and AGP are the only ones still in use. ISA, EISA, Micro Channel and VL-bus are obsolete.
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Instead of ordinary expansion slots on the motherboard, the VL-Bus allows a direct-to-the-CPU connection that quickens video transmission.
CD-ROM and multimedia: the tax professional's hardware planning guide by Price, Charles E. / The Tax Adviser
Just as Cirrus Logic took the lead in bringing out PCI and VL-bus graphics controllers, we are also taking the lead in moving the market to AGP-based solutions.
Cirrus Logic Samples Industry's First AGP 3D Graphics Controller; ... by Business Wire
He has been a VESA participant since the organization's inception and helped develop the original VL-Bus standard as well as other VESA standards.
VIA Expands Management Team With Graphics Market Veteran; New ... by Business Wire
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