INT 16 - TurboPower TSRs - ALTERNATE INSTALLATION CHECK AX = E0E0h Return: AX = 1F1Fh if installed DWORD 0040h:00F0h -> last data block in TSR list (see #00615) Note: the returned TSR list provides support for communication among TSRs built with TurboPower's Turbo Professional and Object Professional libraries for Turbo Pascal SeeAlso: AX=F0F0h