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i80486 (1989 ., SX, SX2, DX, DX2, DX4) (5 ). : ( DX, DX2, DX4); ; - 8 (L1) (L2). i80486, Intel . , i80486 . i80486 .
i80486SX 1991. , i486SX 20 40% i486DX 33 . i486SX , . i486DX , i486SX . i486 : , . -, -. i486 4Gb 64 . 1990 32- Notebook, , i386DX/SX . 1990 Intel i386SL, i386SX, . , , 2 : i80386SL i82360SL. i386SL SMI, , . . i80387SL , . i80486SL SL, Intel 1992. i80486DX, , (3.3 V), . 16- PI-, Flash-.
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1992 Intel 2- , i486DX2. , 2 . 50 25/33 . - , - 8. , i486DX2, 70% , i486DX2 . i486SX2, . , OverDrive. DX2 OverDrive , , . , . -. . . Intel DX4 (DX4-75,83,100,120). 3.3. - 1.6 .
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