Int 10 Fn 7F03 - Sollex Supervga - Video Support Control - Go Ram Reside [V]

AX = 7F03h
BL = 02h
CX = support request
ES = destination segment

Return: AL <> 7Fh if not supported
AL = 7Fh if supported
AH = status
00h successful
01h failed

See Also: AX=7F00h"SOLLEX",AX=7F03h/BL=01h