# 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_