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1. Introduction

This document lists most of the hardware components (not whole computers) known to be supported or not

supported under Linux, so reading through this document you can choose the components for your own Linux

computer and know what to avoid. As the list of components supported by Linux changes constantly, this

document will never be complete. If a component is not mentioned in this HOWTO, I simply have not found

support for the component and nobody has told me about support.

Subsections titled 'Alpha, Beta drivers' list hardware with alpha or beta drivers in varying degrees of usability.

Note that some drivers only exist in alpha kernels, so if you see something listed as supported but isn't in your

version of the Linux kernel, upgrade.

1.1. Notes on binary−only drivers

Some devices are supported by binary−only modules; avoid these when you can. Binary−only modules are

modules which are compiled for ONE kernel version. The source code for these modules has NOT been

released. This may prevent you from upgrading or maintaining your system. It will also prevent you from

using the component on alternate (usually non−x86) architectures.

Linus Torvalds says "I allow binary−only modules, but I want people to know that they are _only_ ever

expected to work on the one version of the kernel that they were compiled for." (See

http://lwn.net/1999/0211/a/lt−binary.html for the rest of the message.)

1.2. Notes on proprietary drivers

Various proprietary drivers for sound, video, etc. exist for Linux. Tracking these proprietary drivers is beyond

the scope of this document. These drivers might be mentioned at various points in this document, but note that

no effort has been made to make sure that this information is current.

1.3. System architectures

This document primarily deals with Linux for x86−based platforms. For other platforms, check the following:

Alpha•

ARM•

CRIS (Axis Communications ETRAX 100LX embedded CPU)•

IA−64•

m68k•

MIPS•

PA−RISC•

PowerPC•

S/390•

SuperH•

SPARC•

There are also the ELKS and uClinux ports, which are forks of the mainstream kernel source designed for

MMU−less (mostly very low−end and embedded) systems.

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