TCTRL(4)              OpenBSD Programmer's Manual (SPARC)             TCTRL(4)

NAME
     tctrl - Tadpole Microcontroller Interface

SYNOPSIS
     tctrl0 at obio0

DESCRIPTION
     The tctrl provides control over many functions on the Tadpole 3GS and 3GX
     laptops.  The microcontroller is used to power the tft display down when
     the laptop lid is closed and when the screen is blanked by the pnozz(4)
     driver.  The tctrl is also used to power the laptop off when the re-
     boot(2) system call is used with the RB_POWERDOWN flag is set.

SEE ALSO
     reboot(2), intro(4), pnozz(4)

OpenBSD 3.0                    September 8, 1999                             1
