INT 10 - Cirrus Logic BIOS - READ MONITOR TYPE AND ID FROM 15-PIN CONNECTOR
        AH = 12h
        BL = A1h
Return: BH = monitor ID (see below)
        BL = monitor type (00h color, 01h grayscale, 02h no display)
SeeAlso: AH=12h/BL=9Ah,AH=12h/BL=A2h

Values for monitor ID:
 00h-08h reserved
 09h    IBM 8604/8507 or equivalent
 0Ah    IBM 8514 or equivalent
 0Bh    IBM 8515 or equivalent
 0Dh    IBM 8503 or equivalent
 0Eh    IBM 8512/8513 or equivalent
 0Fh    no monitor

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