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The Intel486 DX2, [1] rumored as 80486DX2 (later rebadged i486DX2), is a CPU produced by Intel that was first introduced in 1992. The i486DX2 was nearly identical to the i486DX , but it had additional clock multiplier circuitry.
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 .
Compaq released two versions of the Compaq Portable 486 with a faster, 66 MHz Intel 80486DX2 CPU, named the Compaq Portable 486/66 for the monochrome version and the Compaq Portable 486/66c for the color version. [5] Compaq worked with Network General which released branded versions of the Compaq Portable 486 as "Network Sniffers". [7]
Intel's DX4 chips initially had twice the cache of the AMD chips, giving them a slight performance edge, but AMD's DX4-100 usually cost less than Intel's DX2-66. The enhanced Am486 series supported new features like extended power-saving modes and an 8 KiB Write-Back L1-Cache , later versions even got an upgrade to 16 KiB Write-Back L1-Cache.
An Intel DX2-66 MHz OverDrive An Intel i486SX2-50 MHz OverDrive processor installed next to the original i486SX processor. Intel 's i486 OverDrive processors are a category of various Intel 80486s that were produced with the designated purpose of being used to upgrade personal computers .
In other words, the 50-MHz Intel486 DX2 provides about 70 percent improvement over the 25-MHz Intel486 and about 30-percent improvement over the 33-MHz Intel486 CPU. The 50-MHz Intel486 DX2 CPU was rated at 40 Dhrystone MIPS.[4] The i486DX2-66 was a very popular processor for video games enthusiasts in the early to mid-90s. Often
Release date: 1993: Discontinued: April 9, 2007: CPU: ... 486 Socket 3 Intel 486 DX2. 66 MHz 33 MHz 72-pin EDO DRAM 4 user-accessible FPM/EDO slots 64 MB EDO DRAM
Release date Latest version Support status ... 486 DX2 66 MHz: 16 MB 300 MB Windows Me ... 486, 33 MHz 12 MB ? 110 MB