wbenv(4) on OpenBSD
The text b1ff8e12f97d, as OpenBSD 5.1, OpenBSD 5.0, OpenBSD 4.9, OpenBSD 4.8, OpenBSD 4.7, OpenBSD 4.6, OpenBSD 4.5, OpenBSD 4.4, OpenBSD 4.3, OpenBSD 4.2 shipped it.
Winbond W83L784R/W83L785R/W83L785TS-L temperature, voltage, and fan sensor