Intel DX4 i486 100Mhz
- The Intel 486, officially named i486 and also known as 80486
- Intel named it DX4 (rather than DX3) as a consequence of litigation with AMD – Advanced Micro Devices over trademarks.
- a higher-performance follow-up to the Intel 386
- represents the fourth generation of binary compatible CPUs
- Gen 1: the 8086 of 1978
- Gen 2: the Intel 80286 of 1982
- Gen 3: and 1985’s i386.
- Launched: April 10, 1989
- Discontinued September 28, 2007
- Designed by Intel, with Pat Gelsinger as chief architect
- Common manufacturers: Intel, IBM, AMD, Texas Instruments, Harris Semiconductor, UMC, SGS Thomson
- CPU clock rate: 66 MHz
- FSB: 16 MHz to 50 MHz
- Data width: 32 bits
- Address width 32 bits
- Virtual address width 32 bits (linear); 46 bits (logical)
- Cache L1: 16 KB
- Technology node: 1 μm to 600 nm
- Instruction set x86-16, IA-32 including x87 (except for “SX” models)
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