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386 class ICs
386 information

The 386 was the successor to the 80286 processor and the first Intel processor with 32-bit data and address busses. It can address four gigabytes (2^32 bytes) of memory - however, 16 megabytes is a typical maximum in IBM PCs. The 386 allows multiple application programs to run at the same time (when running under 386-specific operating systems) using "protected mode".

The first IBM compatible to use the 386 was the Compaq 386, before IBM used it in high-end models of their PS/2 series.

With the 386, Intel introduced the 'DX' - 'SX' naming system. DX stands for Double-word eXternal, SX for Single-word eXternal. The SX versions therefore are lower-speed version of the 386(DX). They use a 16-bit data bus instead of a 32-bit data bus.

For more Information on x86 processors please refer to the x86 processor FAQ or CPU+Mainboard FAQ (german).
  add/correct 386 info  
34 386 chips in collection: hide thumbnails
 AMD
  386 DX
   Am386DX/DXL-25
   Am386DX-33
   Am386DX/DXL-33
   Am386DX-40
   Am386DX-40 variant
   Am386DX/DXL-40
   Am386DX/DXL-40 (white markings)
  386 SX
   Am386SX-20
   Am386SX/SXL-25
   Am386SX/SXL-33
 Chips and Technologies
  386 DX
   Super386 J38600DX-33
 Intel
  i386 DX
   A80386-16 ΣΣ
   A80386DX-16 ΣΣ
   A80386DX-16 ΣΣ, i386 logo
   A80386-20 ΣΣ
   A80386DX-20 ΣΣ
   A80386DX-20 ΣΣ, i386 logo
   A80386DX-20 IV
   A80386DX-25 IV ΣΣ
   A80386DX-25 IV
   A80386DX-25 IV, i386 DX logo, '85
   A80386DX-25 IV, i386 DX logo, 1985 1987
   A80386DX-33 IV
   A80386DX-33 IV, i386 DX logo, '85
   A80386DX-33 IV, i386 DX logo, 1985 1987
  i386 SX
   NG80386SX-16, no logo
   NG80386SX-16 C STEP
   NG80386SX-16
   NG80386SX-20 C STEP
   NG80386SX-20
   NG80386SX-25
   NG80386SX33
  i386 EX
   KU80386EX25
  i386 SL
   KU80386SLBA-25, Engineering Sample