The 80386 introduced Virtual 8086 (V86) mode -- allowing real-mode DOS programs to run inside protected mode under OS supervision. While not full virtualization in the modern sense, V86 was the first practical hardware-assisted mechanism on x86 for running legacy software in a protected environment -- used widely in Windows 3.x and Windows 9x.
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密集的资本运作曾为公司带来短暂的业绩增长，2020-2022年，民德电子净利润保持连续增长，半导体业务也成为公司对外宣传的核心亮点。