speaker(4) on OpenBSD
The text d7ea72cf3e5b, as OpenBSD 4.6, OpenBSD 4.5, OpenBSD 4.4, OpenBSD 4.3, OpenBSD 4.2 shipped it.
console speaker device driver
The text d7ea72cf3e5b, as OpenBSD 4.6, OpenBSD 4.5, OpenBSD 4.4, OpenBSD 4.3, OpenBSD 4.2 shipped it.
console speaker device driver