Int 61 Fn 0003  - Optima 1024 VGA-sync,et-3000 Chipset - Report Zoom Fact  [V]

   AX = 0003h

Return: AX = zoom factor
Desc:  returns the current zoom factor

Notes: INT 61h is the default interrupt; the actual interrupt number can be
     obtained by calling INT 16/AH=FFh
   not all vendors include the Tseng TSR which supports these functions

See Also: AX=0000h"OPTIMA",AX=0005h"OPTIMA",INT 16/AH=FFh"OPTIMA"