# Supported platforms

Intel and AMD x86 processors in 32-bit mode.
The baseline is the 80486, also known as `i486`.
(Debian's baseline is now the Pentium 1.)

Floating-point architecture: x87.
(SSE2 not available in Debian's baseline.)

Operating systems: Linux, BSD, MacOS X, MS Windows.

Debian architecture name: `i386`

# Reference documents

* Instruction set architecture:
  any Intel or AMD manual of the last 20 years.
* ELF application binary interface:
  _System V Application Binary Interface,
   Intel386 Architecture Processor Supplement_
* MacOS X application binary interface:
  _OS X ABI Function Call Guide: IA-32 Function Calling Conventions_
