INT 2F - Frank Kintrup TSR Utilities - INSTALLATION CHECK AX = C000h Return: AL = FFh if installed BX = program ID (see #03031) CX = 464Bh (signature "FK") DX = revision number (DH = major, DL = minor) ES = resident segment of TSR Range: AH=C0h to AH=FFh, selected by searching for a free multiplex number SeeAlso: AX=C001h"Kintrup",AX=C002h"Kintrup"