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Chapter
Introduction
80486VESA Motherboard Overview
The 80486VESA system board is a high performance, function
enchanced computer system board that combines the power of
Intel's new 80486 CPU and the VESA VL-bus. The board design
includes a variety of high-powered features. Its high performance
capability can provide an ideal system board solution for a wide
range of demanding applications like CAD/CAM/CAE, database
management, image processing, artificial intelligence, desktop
publishing, and the environments of network and multiuser
systems. The 80486VESA system board fully utilizes the 32-bit
CPU power.
The 80486VESA system board also incorporates an Intel 80486
microprocessor which has an 8 KByte static RAM cache. Included
is a four-way set associative cache controller implemented on the
80486 chip and an internal enhanced numeric coprocessor unit.
The system also has an option to accommodate 64KB, 128KB, and
256KB of external cache.
Because of its unique memory subsystem design, the 80486VESA
allows for 1 Megabyte to 32 Megabytes of 32-bit high speed
memory by using 256KB, 1MB, and/or 4MB SIMM modules.
80486VESA User's Manual
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