INT 17 - DMP Print Spoolersee SPOOL. v2.03 - INSTALLATION CHECK
	AH = 03h
	BX = 5A00h
Return: AX = 5ACBh
	DI = 0000h
	ES = DMP code segment (also data segment)
Program: DMP is a Printer driver/spooler, by DMP (USA), available on the
	  PCTODAY disk, volume 10, March 1991