-device lpt0 at isa? port "IO_LPT3" tty irq 7 vector lptintr
-device lpa0 at isa? port "IO_LPT1" tty
-device lpa1 at isa? port "IO_LPT2" tty
+device lpt0 at isa? port? tty irq 7 vector lptintr
+device lpt1 at isa? port? tty
+device lpt2 at isa? port? tty