Int 10 Fn D005  U - S3vbe/core2.0 V3.10+ - Deactivate Speed-up             [V]

   AX = D005h

Return: AX = FFFFh if supported
   BX = status
       0000h SpeedUp deactivated
       0001h SpeedUp not possible (wrong memory organization for mode)
       0002h SpeedUp not possible (linear frame buffer active)

Notes: called by S3 SpeedUp (see AX=C000h)
   functions 06h-FFh (e.g. AX=D006h-D0FFh) are considered reserved by
     v3.10+ and return AX=5555h

See Also: AX=C000h"SpeedUp",AX=D000h"S3VBE",AX=D003h"S3VBE",AX=D004h"S3VBE"