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AH = 12h BL = 35h AL = subfunction 00h initial adapter video off 01h initial planar video on 02h switch active video off 03h switch inactive video on 80h *UNDOCUMENTED* set system board video active flag ES:DX -> buffer for 128 byte save area (if AL = 00h-03h)
Return:
AL = 12h if function supported
Desc: Switch between two video adapters which may otherwise have address conflicts
See Also: AX=BF00h - AX=BF01h - INT 6D"VGA"
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