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Topic: Intel 80286

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List of Intel microprocessors

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	Intel 80386 - Wikipedia, the free encyclopedia
		The Intel 80386 is a microprocessor which was used as the central processing unit (CPU) of many personal computers from 1986 until 1994 and later.
		The predecessor of the 80386 was the Intel 80286, a 16-bit processor with a segment-based memory management and protection system.
		Though Intel would shortly introduce the 80486 and eventually the Intel Pentium line of processors, the support in the 386 for the 32-bit flat memory model would be arguably the most important feature change until the release of EM64T in 2004.
	en.wikipedia.org /wiki/Intel_80386 (786 words)

	Intel 80286 - Wikipedia, the free encyclopedia
		The Intel 80286 (also called iAPX 286, for example in the Intel programmer's manual for the 286) is an x86-family 16-bit microprocessor that was introduced by Intel on February 1, 1982.
		The 80286 performs more than twice the speed of its predecessor (the Intel 8086 and Intel 80186) per clock cycle.
		The 80286 is able to address up to 16 MiB of RAM, in contrast to the 1 MiB the 8086 can work with.
	en.wikipedia.org /wiki/Intel_80286 (382 words)

	A CPU History
		The first four generations of Intel processor took on the "8" as the series name, which is why the technical types refer to this family of chips as the 8088, 8086, and 80186.
		In 1988, Intel released the 386SX, which was basically a low-fat version of the 386.
		In 1990, Intel released the 80386SL, which was basically an 855,00 transistor version of the 386SX processor, with ISA compatibility and power management circuitry.
	www.pcmech.com /show/processors/35 (981 words)

	Intel from FOLDOC
		The 80186 was an improvement on the Intel 8086 and Intel 8088.
		The Intel 8086 was based on the design of the Intel 8080 and Intel 8085 (it was source compatible with the 8080) with a similar register set, but was expanded to 16 bits.
		Intel bubble memory was on the market for a while, but faded away as better and cheaper memory technologies arrived.
	www.instantweb.com /foldoc/foldoc.cgi?Intel (3749 words)

	Computer Processor Information (CPU)
		INTEL 80286 (Code Name: P2) - Microprocessor introduced by Intel in 1982 which commonly is referred to as the 286 processor.
		Intel announced the release of a second-generation introduced March 7, 1994 included new processors from 75, 90, 100, 120, 133, 150, 166, and 200 MHz.
		INTEL PENTIUM II (Code Name: Klamath) - Initially the Pentium II 233MHz was released in 1997 and introduced a new physical architecture which encased a circuit board within a plastic case.
	www.computerhope.com /help/cpu.htm (1621 words)

	Lloyd Borrett - Computing - Articles - Which CPU Should You Purchase
		Intel themselves have been running an advertising campaign in the USA which stresses you should always choose an 80386SX over an 80286 or earlier microprocessor.
		When the Intel 80286 is running in protected mode it provides these important new features, but it will not run programs written for the 8088/8086.
		The Intel 80386SX is to the 80386 as the original 8088 is to the 8086.
	www.borrett.id.au /computing/art-1990-02-02.htm (2274 words)

	Intel 80286 microprocessor family
		The second generation of x86 16-bit processors, Intel 80286, was released in 1982.
		The Intel 80286 microprocessor included new protected mode and all real-mode instructions that were introduced by 80186/80188 processors.
		4 MHz C80286 is the slowest Intel 80286 processor.
	www.cpu-world.com /CPUs/80286 (367 words)

	Wikinfo \| Intel 80386
		Intel 80386, a microprocessor used as the CPU of many personal computers from 1986 til 1994.
		Designed and manufactured by Intel, the i386 processor was first taped-out in October of 1985.
		Intel later introduced the 80486, but neither it nor its successors under the Pentium name were as big a step as the 32-bit flat addressing made possible by the 80386.
	www.wikinfo.org /wiki.php?title=Intel_386 (514 words)

	[No title] (Site not responding. Last check: 2007-09-23)
		Intel 8086 and 8088 ------------------- The Intel 8086 was released on June 6, 1978.
		Intel 80486 ----------- The 486 processor was roughly twice as fast as a 386 running at the same clock speed.
		Intel did offer an upgrade from the 486SX to the 486DX by installing the OverDrive processor to restore the missing circuits, but at the cost of reduced proximity to the main CPU circuitry.
	www.textfiles.com /uploads/intel.txt (2695 words)

	Intel 80286
		The Intel 80286 CPU, released in 1982, was the successor to the little-used 80186.
		This text is written for the student in a course of study that requires a thorough knowledge of the Intel family of microprocessors beginning with the Intel 80286.
		Intel microprocessors have gained wide applications in many areas of electronics, communications, control systems, and particularly in desktop computer systems.
	www.lycos.com /info/intel-80286.html (456 words)

	Wikinfo \| X86
		In addition to basic architecture itself, these names are also used to describe a family of particular microprocessors manufactured by Intel, including the Intel 8086, Intel 80186, Intel 80286, Intel 80386, Intel 80486, Pentium, Pentium Pro, Pentium II, Pentium III and Pentium 4.
		Intel's IA-64 architecture used in its Itanium processors is related to x86, but incompatible with its instruction set.
		The Intel 80387 math co-processor was integrated into the next CPU in the series, the Intel 80486.
	www.wikinfo.org /wiki.php?title=X86 (1659 words)

	cpu-collection.de >> 80286
		The 80286 was introduced by Intel on February 1, 1982.
		The 6 MHz 80286 is the CPU of the IBM AT (Advanced Technology), which also introduced a 16-bit motherboard and 16-bit expansion bus to the PC world.
		Intel second-sourced the 80286 to ensure an adequate supply of chips to the computer industry.
	www.cpu-collection.de /?tn=1&l0=cl&l1=80286 (395 words)

	[No title] (Site not responding. Last check: 2007-09-23)
		In Real-Address mode, the 80286 is fully compatible with the 8086, 8088, 80186, and 80188 microprocessors; all of the extensive libraries of 8086 and 8088 software execute four to six times faster on the 80286, without any modification.
		The 80286 Processor Extension Data Channel and the hardware interface between the 80286 and 80287 processors are described in Chapter Six of the 80286 Hardware Reference Manual.
		All interaction between the 80286 and the 80287 processors on the hardware level is handled automatically by the 80286 and is transparent to the software.
	www.ragestorm.net /downloads/287intel.txt (6716 words)

	The Segment Descriptor Cache (Site not responding. Last check: 2007-09-23)
		As early as the 80286, all Intel x86 processors have included an entity called the "segment-descriptor cache" which works behind the scenes, hidden from you.
		From the 80286 to 80486, the meaning of "segment-descriptor cache" was unambiguous, referring to an internal microprocessor structure that stores the internal representation of the segment registers.
		According to Intel, each time any segment register is loaded in real mode, the base address is calculated as 16 times the segment value, while the access rights and size limit attributes are given fixed, "real-mode compatible" values.
	www.x86.org /ddj/aug98/aug98.htm (2148 words)

	Introduction to Protected-Mode
		It seems that Intel engineers assumed that once you were running in protected-mode, you'll never want to go back to a lowly real-mode environment.
		Another deficiency of the 80286 was related to the maximum size of segments.
		Intel's decision to keep the segmentation unit alive and kicking under protected-mode was largly influenced by the desire to retain compatibility and ease porting of old applications to the new environment.
	www.internals.com /articles/protmode/introduction.htm (1391 words)

	What is Intel microprocessors? - A Word Definition From the Webopedia Computer Dictionary (Site not responding. Last check: 2007-09-23)
		Intel's latest and sixth-generation chip is called the Pentium Pro.
		All Intel microprocessors are backward compatible, which means that they can run programs written for a less powerful processor.
		These chips support the Intel instruction set and are often less expensive than Intel chips.
	www.webopedia.com /TERM/A/Intel_microprocessors.html (472 words)

	Intel 80286 - Helionica
		Intel 80286 - 16-bitowy procesor opracowany przez firmę Intel, oficjalnie pokazany po raz pierwszy 1 lutego 1982.
		80286 był mniej więcej dwa razy bardziej wydajny w porównaniu ze swoim poprzednikiem i8086 i ponieważ posiadał 24-bitową szynę adresową mógł adresować aż 16 MB pamięci RAM (8086 używał tylko 1 MB).
		Artykuł zawiera udostępnione na licencji GNU FDL treści pochodzące w pierwotnej wersji z artykułu Intel 80286 w polskiej Wikipedii.
	helionica.pl /index.php/Intel_80286 (202 words)

	INTRODUCTION (Site not responding. Last check: 2007-09-23)
		Intel started its x86 family with the 16-bit 8086 in 1978 and continued up to the latest Pentium in 1993.
		As announced by Intel, work on additional future generations of the x86 family is underway.
		This project is written for anyone who requires or desires a general knowledge of hardware architectures and specifications of the Intel 8086, 80286, 80386, Pentium, and Pentium Pro processors.
	www.ece.unh.edu /courses/ece707_4/hintro.htm (187 words)

	CPUID Algorithm Wars
		All processors from the 80286 to 80486 are detected by installing an invalid-opcode exception handler and executing instructions unique to each processor.
		Intel's algorithm detects the AMD 5k86 as an 80486-class processor, even though it has all of the features and instructions of the Pentium, including the CPUID instruction.
		Intel's algorithm detected the Cyrix 6x86 as an 80486-class processor, even though it has all of the performance and instructions of a Pentium-class processor.
	www.rcollins.org /ddj/Nov96/Nov96.html (3204 words)

	Intel 80286 (Site not responding. Last check: 2007-09-23)
		THe 80286 processor has a 16-bit data bus and incorporates a memory management unit that allowed a limited amount of multitasking.
		The 80286 only has a segmented MMU while the later processors add a paged MMU "behind" the segmented one.
		The 80286 was the processor in the IBM PC AT personal computer.
	www.cacs.louisiana.edu /~mgr/404/burks/foldoc/17/58.htm (74 words)

	Programmable logic system for filtering commands to a microprocessor - United States Patent 5,226,122
		Thus the 80286 and 80386 microprocessors are compatible with the addressing scheme of the 8086 family.
		In protected mode, the 80286 or 80386 microprocessor adds a series of features that allow it to safely and reliably expand the number of programs the computer can be working on at one time.
		Because the 80286 or 80386 have more than one megabyte address range, the wrap-around feature of the 8086 family of microprocessors does not work on the 80286 or 80386 (in real mode) unless the A20 line is low.
	xrint.com /patents/us/5226122 (5681 words)

	Excerpt from The advanced Intel Microprocessor
		The 80286 microprocessor is available with a clock speed of 8, 10, or 12.5 MHz from Intel with other vendors supplying a 16 MHz version.
		The 80286 is designed to operate at temperatures that range between 0C and + 70C.
		Standard logic circuits have a maximum logic 0 voltage of 0.4 V, and the 80286 has a maximum logic 0 voltage of 0.45 V. This is a difference of 0.05 V. Table 7-2.
	members.ee.net /brey/e4.htm (829 words)

	Know it all Inc. (I) (Site not responding. Last check: 2007-09-23)
		(21 Feb 1995) Intel 80386 (Commonly abbreviated to "386", trademark "Intel386") {Intel}'s successor to the {80286} {microprocessor}.
		Intel 8080 The successor to the {Intel 8008}.
		Intel invested a record $2.9 billion in capital and R&D in 1993, and expects to increase combined spending on these activities to $3.5 billion in 1994.
	artikbre.synchro.net /docs/I.html (17821 words)

	Intel 80286
		The 80286 was the chip used in IBM's AT (advanced technology) system.
		The 286 was the first major step up in PC processors, providing significant performance increases over the 8088 and 8086--double or more performance at the same clock speed.
		The 80286 is of course considered obsolete today.
	www.pcguide.com /ref/cpu/fam/g2I80286-c.html (254 words)

	Intel 80286 - Psychology Central (Site not responding. Last check: 2007-09-23)
		Image:Intel 80286.jpg Image:Am80286-12.jpg The Intel 80286 (also called iAPX 286, for example in the Intel programmer's manual for the 286) is an x86-family 16-bit microprocessor that was introduced by Intel on February 1, 1982.
		The 80286 performs at twice the speed of its predecessor (the Intel 8086) per clock cycle, and is able to address up to 16 MiB of RAM, in contrast to the 1 MiB the 8086 can work with.
		An interesting feature of this processor is that it was the first x86 processor capable of switching from real mode to protected mode, enabling the use of up to 16 MiB of system memory, and allowing certain degree of protection of the memory zones used by applications.
	psychcentral.com /psypsych/wiki/80286 (350 words)

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