INT 17 - Alloy NTNX,MW386 - SET PRINT BREAK TIMEOUT
AH = 9Bh
AL = mode
00h NTNX compatibility
CX = timeout value in clock ticks (1/18 sec) (00h = never)
01h MW386
CX = timeout value in seconds (00h = never)
02h MW386 v2+
BX = logical device number
00h-03h = LPT1-LPT4
04h-07h = COM1-COM4
CX = timeout value in seconds (00h = never)
Return: AL = status (see AH=81h)
Notes:  modes 00h and 01h affect only the current logical LPT1
if no data is sent to a printer for the specified amount of time, the
spool file will be closed and queued for printing automatically

See also: 1797

179B - Alloy NTNX,MW386 - SET PRINT BREAK TIMEOUT