Currently supported devices:
Sun: Sun workstation with audio hardware.
- HP: HP9000s700 with audio hardware.
X11: The X11 window system. (Warning: not all X11 implementations handle
duration and frequency of beeps properly!)
- Indigo: The SGI Indigo workstation. (See comments in beepIndigo.c about
- caveats and limitations.)
Linux: The IBM PC console speaker.
- AdLib: AdLib/SoundBlaster FM chip. (See comments in beepAdLib.c about
- caveats and limitations.)
OSS: Open Sound System /dev/dsp device. Also works with the newer
ALSA Linux sound system.