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Intel 80286 - Wikipedia, the free encyclopedia
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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.
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The second generation of x86 16-bit processors, Intel 80286, was released in 1982. The major new feature of the 80286 microprocessor was protected mode. ... 80286 was a 16-bit microprocessor. Although in protected mode the CPU could address up to 16 MB of memory, this was implemented using memory segments.
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Intel licensed 80286 microprocessor to AMD in the second half of 1984. AMD's selection of 80286 microprocessors at that time was very similar to Intel's - they manufactured 286 CPUs in CLCC, PLCC and ceramic PGA packages with speed grades up to 12 MHz. In 1985 AMD followed Intel's lead and changed package type prefixes...
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80188/80186 timings differ from those of the 8088/8086/80286 ... "TS" is defined as switching from VM/486 or 80286 TSS to one of the following: ... My nicely formatted overview of Intel 8088, 8086, 80186, 80286, 80386, 80486 (x86) instruction set...
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The Intel 80286 CPU, released in 1982, was the successor to the little-used 80186. The 286 offered 3 to 6 times the performace of the 8086. ... The Intel 80286 CPU, released in 1982, was the successor to the little-used 80186. The 286 offered 3 to 6 times the performace of the 8086. The first models ran at 6 Mhz,
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The most substantial difference between the 80286 and the 8086-8088 is the addition of a protected mode. In protected mode, segment registers became pointers into a table of memory descriptors rather than being a direct part of the address.
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cpu-collection.de - a collection of obsolete processors ... The 80286 was introduced by Intel on February 1, 1982. As the 80186/80188 CPUs were not really significant to personal computing, the 80286 was Intel's next step processor for micro computers. Intel added four more address lines to the 8086/80186 design.
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Codenamed P2, the 286 or 80286 was first released on February 1, 1982 and referred to as the Intel 286, the 80286 had 134,000 transistors, ran at clock speeds from 4MHz to 12MHz, and was the first processor to be backwards compatible with previous processors.
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