Int 10 Fn 12  - Cirrus Logic Bios - Get User Options                       [V]

   AH = 12h
   BL = 9Ah

Return: AX = options word 1 (see #0030)
   CX = options word 2 (see #0031)

See Also: AH=12h/BL=80h,AH=12h/BL=84h,AH=12h/BL=93h,AH=12h/BL=A0h

See Also: AH=12h/BL=A3h,AH=12h/BL=A4h,#0656 at INT 1A/AX=B102h

Bitfields for Cirrus Logic options word 1:
Bit(s) Description (Table 0030)
 0,1   reserved
 2-4   monitor type
 5-6   maximum vertical resolution
 7-9   reserved
 10    force 8-bit operation
 11-13 reserved
 14    vertical refresh frequency at 640x480
 15    reserved

Bitfields for Cirrus Logic options word 2:
Bit(s) Description (Table 0031)
 0-3   reserved
 4-5   vertical refresh frequency at 1280x1024
 6-10  reserved
 11-12 vertical refresh frequency at 800x600
 13-15 vertical refresh frequency at 1024x768