The Intel 80386, otherwise known as the i386 or just 386,'s a microprocessor with just 275,000 transistors, which has been used as the central processing unit (CPU) of many personal computers and workstations since 1985. As the original implementation of the 32-bit form of the 8086-architecture, the i386 instruction set, programming model, and binary encodings's still the common denominator for all 32-bit x86 processors. As such, it's remained virtually unchanged for over 20 years, enabling mod… (More on 80386)