INT D4 - PC-MOS/386 v5.01 - IDENTIFY LOAD ADDRESS OF DEVICE DRIVER LOCATION AH = 25h DX = driver's CS value Return: AX = segment address of driver in system memory pool (0000h if the driver is not within the system memory pool) Program: PC-MOS/386 is a multitasking/multiuser MS-DOS-compatible operating system by The Software Link, Inc.