Also called the 386DX and the 386. A full 32-bit microprocessor introduced by Intel in October 1985 and used in many IBM and IBM-compatible computers. The 80386 has a 32-bit data word, can transfer information 32 bits at a time over the data bus, and can use 32 bits in addressing memory. It has the following modes:
   1) Real mode effectively limits performance to that of an 8086 microprocessor and can address 1MB of memory.
   Protected mode prevents an application from stopping the operating system because of an error, and it can address 4GB of memory.
   Virtual 8086 mode allows the operating system to divide the 80386 into several virtual 8086 microprocessors, all running with their own 1MB of space, and all running a separate program.
   2) Real mode effectively limits performance to that of an 8086 microprocessorandcan address 1MB of memory. Protected mode prevents an application from stopping the operating system be80486
   Also called the 486 or i486. A 32bit microprocessor introduced by Intel in April 1989. The 80486 adds several notable features to the 80386, including an onboard cache, a built-in floating-point processor, and a memory management unit (MMU), as well as advanced provisions for multiprocessing and a pipelined execution scheme.

Dictionary of networking . 2014.

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  • 80386-SX — 80386 SX,   80386 Prozessor …   Universal-Lexikon

  • 80386 — В этой статье не хватает ссылок на источники информации. Информация должна быть проверяема, иначе она может быть поставлена под сомнение и удалена. Вы можете отредактировать эту статью …   Википедия

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  • 80386 — Intel 80386 Intel 80386. L’Intel 80386 est un microprocesseur 32 bits CISC fabriqué par Intel. Il fut utilisé dans de nombreux ordinateurs personnels de 1986 à 1994. L …   Wikipédia en Français

  • 80386 — ● np. m. ►PUCE processeur Intel, sorti en 1985. Il fonctionne en 32 bits dans sa version DX, aussi bien pour l adressage (ce qui lui permettait d adresse 4 Go de mémoire), les registres internes et le bus. La version SX, quant à elle, sortie en… …   Dictionnaire d'informatique francophone

  • 80386-Prozessor —   (80386, 386), ein Prozessor, der von Intel und anderen Herstellern ab 1986 angeboten wurde. Der Prozessor enthielt 275 000 Transistoren. Die Busbreite betrug 32 bit sowohl intern als auch extern; er verfügte über 32 Adressleitungen, daher… …   Universal-Lexikon

  • Intel 80386 — Infobox Computer Hardware Cpu name = 386 caption = Intel 80386 DX, 33 MHz, foreground manuf1 = Intel manuf2 = AMD manuf3 = IBM produced start = 1986 produced end = September 2007 slowest = 12 | slow unit = MHz fastest = 40 | fast unit = MHz size… …   Wikipedia

  • Intel 80386 — <<   Intel 80386   >> Центральный процессор Микропроцессор Intel 80386 Производство …   Википедия

  • Intel 80386 — <<   Intel 80386   >> Intel i386DX, 16 MHz Produktion: 1985 bis 2007 Produzenten …   Deutsch Wikipedia

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