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VALD(4) Device Drivers Manual (i386) VALD(4) NAME vald - Toshiba Programmable I/O controller SYNOPSIS vald* at acpi? DESCRIPTION Some Toshiba computers have a special I/O controller that handles various interface devices. This special I/O controller is accessed by the "GHCI" ACPI method. The vald driver provides some support for it. The vald driver handles the following hot-keys: Fn+F5 Switch between LCD and External Video output. Fn+F6 Decrease LCD brightness. Fn+F7 Increase LCD brightness. Fn+F8 Switch fan (ON/OFF). The vald driver has only been tested on the Libretto L3 and on the Portege 3440. SEE ALSO acpi(4) HISTORY The vald driver appeared in NetBSD 1.6. BUGS vald may have problems with X11 when switching between LCD and External Video output. NetBSD 8.0 January 25, 2008 NetBSD 8.0