Int 21 Fn 3000 - PC-mos/386 V3.0 - Installation Check/get Version [O] AX = 3000h BX = 3000h CX = DX = 3000h Return: AX = PC-MOS version Program: PC-MOS/386 is a multitasking/multiuser MS-DOS-compatible operating system by The Software Link, Inc. See Also: AH=30h,INT 38/AH=02h,INT 38/AH=10h