INT 17 - Alloy NTNX, MW386 - SET NUMBER OF COPIES
AH = 83h
AL = mode
00h NTNX compatibility
CL = number of copies (max 99, default 1)
02h MW386 v2+
BX = logical device number
00h-03h = LPT1-LPT4
04h-07h = COM1-COM4
CX = number of copies
Return: AL = status (see AH=81h)
Note:   in NTNX compatibility mode, this function only affects LPT1


1783 - Alloy NTNX, MW386 - SET NUMBER OF COPIES