VESA Local Bus

E184291

VESA Local Bus was a high-speed expansion bus standard for IBM-compatible PCs in the early 1990s, designed primarily to improve graphics and overall system performance by providing a faster connection to the CPU than the older ISA bus.

All labels observed (1)

Label Occurrences
VESA Local Bus canonical 9

How this entity was disambiguated

Statements (49)

Predicate Object
instanceOf computer bus standard ⓘ
expansion bus ⓘ
abbreviation VLB ⓘ
addressSpace 32-bit ⓘ
advantageOverISA faster graphics throughput ⓘ
higher bandwidth ⓘ
reduced bus bottleneck ⓘ
alsoKnownAs VL-Bus ⓘ
architectureType local bus ⓘ
busType synchronous bus ⓘ
busWidth 32-bit ⓘ
category computer hardware standard ⓘ
motherboard expansion technology ⓘ
compatibility coexisted with ISA slots ⓘ
connectedTo CPU local bus ⓘ
dataPathWidth 32-bit ⓘ
dataTransferMethod parallel bus ⓘ
designedForCPUGeneration Intel 80486 ⓘ
developer Video Electronics Standards Association ⓘ
linked to: VESA
era 486-based PCs ⓘ
fullName VESA Local Bus ⓘ
geographicScope worldwide ⓘ
historicalSignificance transitional bus between ISA and PCI ⓘ
introductionPeriod early 1990s ⓘ
limitation electrical loading issues with many cards ⓘ
poor scalability to higher clock speeds ⓘ
tightly coupled to 486 CPU design ⓘ
maximumSlotsRecommended 3 ⓘ
operatingMode shared bus ⓘ
platform IBM PC compatible ⓘ
predecessor ISA bus ⓘ
Industry Standard Architecture ⓘ
primaryUse disk controller cards ⓘ
graphics adapters ⓘ
purpose improve graphics performance ⓘ
improve overall system performance ⓘ
provide a high-speed expansion bus for IBM-compatible PCs ⓘ
shortName VESA ⓘ
signalSource directly from CPU ⓘ
slotLocation inline with ISA slots on motherboard ⓘ
standardizedBy VESA ⓘ
status obsolete ⓘ
successor PCI bus ⓘ
Peripheral Component Interconnect ⓘ
supersededBy PCI ⓘ
targetMarket PC graphics acceleration ⓘ
consumer PCs ⓘ
typicalClockSpeed 33 MHz ⓘ
usedIn desktop personal computers ⓘ

How these facts were elicited

Referenced by (9)

Full triples — surface form annotated when it differs from this entity's canonical label.

ISA → replacedBy → VESA Local Bus ⓘ
EISA → competedWith → VESA Local Bus ⓘ
VESA Local Bus → fullName → VESA Local Bus ⓘ
VLB → fullName → VESA Local Bus ⓘ
VLB → abbreviationOf → VESA Local Bus ⓘ
VL-Bus → fullName → VESA Local Bus ⓘ
ISA bus → succeededBy → VESA Local Bus ⓘ
PCI bus → replaced → VESA Local Bus ⓘ