LED(4) Device Drivers Manual (sparc64) LED(4)

led — SPARC64 LED driver

led* at ebus?

The led driver provides support for the front panel alert LED. This LED can be made to blink based on the load average on most systems by setting the sysctl(2) variable machdep.led_blink to a non-zero value.

sysctl(2), ebus(4), intro(4), sysctl(8)

OpenBSD support for the led first appeared in OpenBSD 4.2.

The led driver was written by Mark Kettenis <kettenis@openbsd.org>.

OpenBSD 7.8 January 12, 2018 LED(4)