Bitfields for SOLLEX SuperVGA displays attached:
Bit(s)	Description	)
 0	PS/2 display on analog output
 1	multi-frequency monitor on analog output
 2	LCD panel attached
 3	plasma/electroluminescent panel attached
 4	multi-frequency monitor on digital output
 5	Enhanced Color Display attached to digital outpt
 6	alternate display
 15-7	reserved