amdsbwd(4)

amdsbwd4

Device driver for the amd southbridge watchdog timers

Usage

To compile this driver into the kernel, place the following line in your kernel configuration file:

device amdsbwd

Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5):

amdsbwd_load="YES"

Overview

The amdsbwd driver provides watchdog(4) support for the watchdog timers present on the supported chipsets.

Hardware

The amdsbwd driver supports the following chipsets:

  • AMD SB600/7x0/8x0/9x0 southbridges

  • AMD Axx/Hudson/Bolton FCHs

  • AMD FCHs integrated into Family 15h Models 60h-6Fh, 70h-7Fh Processors

  • AMD FCHs integrated into Family 16h Models 00h-0Fh, 30h-3Fh Processors

Releases

38 releases since FreeBSD 7.4-RELEASE; the text changed 24 times.

  1. 7.4
  2. 8.2
  3. 8.3
  4. 8.4
  5. 9.0
  6. 9.1
  7. 9.2
  8. 9.3
  9. 10.0
  10. 10.1
  11. 10.2
  12. 10.3
  13. 10.4
  14. 11.0
  15. 11.1
  16. 11.2
  17. 11.3
  18. 11.4
  19. 12.0
  20. 12.1
  21. 12.2
  22. 12.3
  23. 12.4
  24. 13.0–13.2
  25. 13.3–16.0

History

The amdsbwd driver first appeared in FreeBSD 7.3 and FreeBSD 8.1.

Authors

The amdsbwd driver was written by Andriy Gapon ⟨[email protected]⟩. This manual page was written by Andriy Gapon ⟨[email protected]⟩.

From base 16.0-CURRENT-20261027-61c70dc16a79 in FreeBSD 16.0-CURRENT (2026-10-27). Parsed by carta from the page's mdoc source.