INT 62 u - FGDRIVER v3.03 - "FG_SVGAINIT" - INITIALIZE FASTGRAPH SVGA KERNEL
        AX = 00A1h
        BX = method (see below)
Return: AX = status
            0000h no VESA BIOS or supported SVGA chipset
            0001h using VESA BIOS
            0002h-0016h specific chipset being used (same as "method" below)
Notes:  For FGDRIVER v1.10, this function was "FG_INITXMS" (see AX=004Eh);
          "FG_SVGAINIT" did not exist yet
        This function must be called before attempting to set SVGA graphics
          modes (18h to 1Dh) or using "FG_BESTMODE", "FG_TESTMODE", or
          "FG_MEMORY"
SeeAlso: AX=0023h,AX=00A2h,AX=00A3h

Values for method:
 0000h  autodetect, give chipset-specific code priority over VESA
 0001h  autodetect, give VESA priority over chipset-specific code
 0002h  Ahead type "A"
 0003h  Ahead type "B"
 0004h  ATI 18800
 0005h  ATI 18800-1
 0006h  ATI 28800
 0007h  Chips & Technologies 82c451/455/456
 0008h  C&T 82c452
 0009h  C&T 82c453
 000Ah  Genoa 6000 series
 000Bh  Oak OTI-067
 000Ch  Paradise PVGA1a
 000Dh  Paradise WD90C00/WD90C10
 000Eh  Paradise WD90C11/WD90C30/WD90C31
 000Fh  Trident 8800
 0010h  Trident 8900
 0011h  Tseng ET3000
 0012h  Tseng ET4000
 0013h  Video7
 0014h  Cirrus Logic 5400 series
 0015h  S3
 0016h  Trident 8900B/8900C/9000

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