urio(4)

urio4

Usb driver for the rio mp3 players

Usage

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

device urio

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

urio_load="YES"

Overview

The urio driver provides support for Rio MP3 players from Diamond MultiMedia which attaches to the USB port. The urio device must be configured in the kernel, along with usb and one of the uhci or ohci controllers.

Subsequently, the /dev/urio0 device can be used by the Rio userland applications.

Hardware

The following devices are supported by the urio driver:

  • Diamond MultiMedia Rio 500

  • Diamond MultiMedia Rio 600

  • Diamond MultiMedia Rio 800

Files

/dev/urio0

blocking device node

Examples

The following line in the kernel configuration file adds the urio driver to the kernel:

device urio

To download a song over the USB connection into the Rio using the rio_add_song(1) utility (see the SEE ALSO section):

rio_add_song /usr/local/MP3/TracyChapman/02-Fast-Car.mp3

Releases

66 releases since FreeBSD 4.3-RELEASE; the text changed 41 times.

  1. 4.3
  2. 4.4–4.9
  3. 4.10–4.11
  4. 5.0
  5. 5.1
  6. 5.2–5.2.1
  7. 5.3–5.5
  8. 6.0–6.2
  9. 6.3
  10. 6.4
  11. 7.0
  12. 7.1
  13. 7.2
  14. 7.3
  15. 7.4
  16. 8.0
  17. 8.1
  18. 8.2
  19. 8.3
  20. 8.4
  21. 9.0
  22. 9.1
  23. 9.2
  24. 9.3
  25. 10.0
  26. 10.1
  27. 10.2
  28. 10.3
  29. 10.4
  30. 11.0
  31. 11.1
  32. 11.2
  33. 11.3
  34. 11.4
  35. 12.0
  36. 12.1
  37. 12.2
  38. 12.3
  39. 12.4
  40. 13.0–13.2
  41. 13.3–15.1
  42. 16.0

Authors

The urio driver was written by Iwasa Kazmi ⟨[email protected]⟩ for FreeBSD.

This manual page was written by Dirk-Willem van Gulik ⟨[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.