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 VESA LOCAL BUS Definition
We define VESA LOCAL BUS |
VESA LOCAL BUS - A 32-bit extension of a 16-bit ISA slot. This architecture predated PCI and allowed users to break the bottleneck that occurred when the ISA bus slowed down graphics speed. It allowed speeds of up to 40MHz, compared to ISA's measly 8.3MHz. The fact that it had twice as many pins to transmit data helped out as well. VL-Bus was big on 486-66 machines when it first came out, but was quickly displaced by PCI. PCI cards have some modest speed advantages and are much smaller. All VL-Bus cards were full-length cards. |
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