Int 2F Fn FBA1  U - Tkernel (borland DOS Extender) - Installation Check    [E]

   AX = FBA1h
   BX = 0081h
   ES:DI -> 16-byte buffer

Return: if installed, first four bytes of ES:DI buffer are "IABH"
Program: TKERNEL is a licensed version of AI Architects/Ergo's OS/x86.

Note:  TKERNEL was present only in Borland C++ 2.0; with version 3.0, the DOS
     extender was moved into DPMILOAD.

See Also: AH=A1h,AX=F100h,AX=FBA1h/BX=0082h,AX=FBA1h/BX=0084h,INT 15/AX=BF02h

See Also: INT 21/AX=4403h"TKERNEL"