Bitfields for SOLLEX SuperVGA adapter request:
Bit(s)	Description	)
 1-0	adapter type (00 VGA, 01 EGA, 10 CGA, 11 MDA)
 2	reserved
 4-3	change displays (00 none, 01 analog 10 digital 11 panel)
 6-5	desired monitor sense (01 color, 10 mono, 11=8514)
 7	lock override
 8	alternate adapter mode
 15-9	reserved