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PC Motherboard

The PC Motherboard platform, based on the x86 or compatibles is supported by both eCos and RedBoot.

The support for this platform was contributed to eCos, and the eCos maintainers are grateful on behalf of the open source community to all contributors. Note that some contributed ports may not have been tested.

Supported devices

Device drivers are included for:

  • Diagnostic (polled) serial I/O
  • Interrupt-driven serial I/O
  • Ethernet
  • PCI
  • Timekeeping (real-time clock)



PC Motherboards with 386-compatible CPUs are available from many different sources.


The PC Motherboard platform is supported by eCos from public releases 1.3.1 and onwards in addition to being available from the anonymous CVS repository. RedBoot sources are publically available from eCos public releases 2.0 and onwards, in addition to being available from the anonymous CVS repository.


Specifications are available for the processor and are available on-line from the manufacturer's web site.

Instructions for installing RedBoot on the PC can be found in the RedBoot User's Guide. Board specific instructions, including installation instructions can be found here within the User's Guide.

Instructions for installing and using eCos on the PC are available here.

The most recent version of the full documentation set may be found on-line here.

RedBoot support

Prebuilt binaries of RedBoot are available for download for both ROM and RAM startup. Some necessary support files may also be included. Consult the RedBoot documentation on how to use these binaries.


Thanks to Patrick O'Grady who contributed the initial port, and to Fabrice Gautier who contributed many improvements.