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  2. i486 - Wikipedia

    en.wikipedia.org/wiki/I486

    The Intel 486, officially named i486 and also known as 80486, is a microprocessor introduced in 1989. It is a higher-performance follow-up to the Intel 386 . It represents the fourth generation of binary compatible CPUs following the 8086 of 1978, the Intel 80286 of 1982, and 1985's i386 .

  3. List of Intel CPU microarchitectures - Wikipedia

    en.wikipedia.org/wiki/List_of_Intel_CPU_micro...

    i486 Intel's second generation of 32-bit x86 processors, introduced built-in floating point unit (FPU), 8 KB on-chip L1 cache, and pipelining. Faster per MHz than the 386. Small number of new instructions. P5 original Pentium microprocessors, first x86 processor with super-scalar architecture and branch prediction. P6

  4. File:Intel i486 DX2 66 CPU SX955.jpg - Wikipedia

    en.wikipedia.org/wiki/File:Intel_i486_DX2_66_CPU...

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  5. i486SL - Wikipedia

    en.wikipedia.org/wiki/I486SL

    80486SL. The Intel i486SL is the power-saving variant of the i486DX microprocessor. [1] The SL was designed for use in mobile computers. It was produced between November 1992 and June 1993.

  6. i486 OverDrive - Wikipedia

    en.wikipedia.org/wiki/I486_OverDrive

    The ODPR chips had 168 pins and functioned as complete swap-out replacements for existing chips, whereas the ODP chips had an extra 169th pin, and were used for inserting into a special 'Overdrive' socket on some i486 boards, which would disable the existing CPU without needing to remove it (in case that the existing CPU is surface-mounted ...

  7. File:Intel i486 DX 25MHz SX328.jpg - Wikipedia

    en.wikipedia.org/wiki/File:Intel_i486_DX_25MHz...

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  8. Intel DX4 - Wikipedia

    en.wikipedia.org/wiki/Intel_DX4

    A version of IntelDX4 featuring write-back cache was released in October 1994. The original write-through versions of the chip are marked with a laser-embossed “&E,” while the write-back-enabled versions are marked “&EW.” i486 OverDrive editions of IntelDX4 had locked multipliers, and therefore can only run at 3× the external clock speed.

  9. Intel DX2 - Wikipedia

    en.wikipedia.org/wiki/Intel_DX2

    An i486 DX2 was thus significantly faster than an i486 DX at the same bus speed thanks to the 8K on-chip cache shadowing the slower clocked external bus. Both 25/50 and 33/66 MHz Intel486 DX2 CPU uses the 800 nm process technology. [ 2 ]