Int 31 Fn 0400  P - DPMI 0.9+ - Get Dpmi Version                           [E]

   AX = 0400h

Return: CF clear
   AH = major version of DPMI spec supported
   AL = two-digit minor version of DPMI spec supported
   BX = flags
       bit 0: running under an 80386 (32-bit) implementation
       bit 1: processor returns to real mode for reflected interrupts
          instead of V86 mode
       bit 2: virtual memory supported
       bit 3: reserved (undefined)
       others reserved (zero)
   CL = processor type (02h=80286, 03h=80386, 04h=80486)
   DH = curr value of virtual master interrupt controller base interrupt
   DL = curr value of virtual slave interrupt controller base interrupt
BUG:   the Windows NT March 1993 beta reports version 0090h (0.144); this has
     been fixed in the final release

See Also: AX=0401h,INT 21/AX=250Ch,INT 2F/AX=1687h,INT 67/AX=DE0Ah