UM82C480 set equivalent, 386/486 pc chip set.
100% IBM PC/AT compatible Support 80386 CPU running at 25/33/40 MHz Support 80486 CPU running at 25/33/40/50 MHz in 1X clock Support Intel 80387 / Weitek 3167 / Weitek 41.
The UM82C480 is a highly integrated, IBM PC/AT compatible chip set for high performance 80386/80486 based personal computer systems. Built with exquisite cache controller in advanced 1.0um CMOS technology, UM82C481 (Integrated Memory Controller, IMC).
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