$ sudo cat /proc/ioports | grep parport 0378-037a : parport0 037b-037f : parport0 3010-3012 : parport1 3013-3017 : parport1 $ lsmod | grep parport parport_serial 24576 0 parport_pc 40960 3 parport_serial parport 73728 3 parport_pc,lp,ppdev $ sudo dmesg | grep parp [ 4.184531] parport0: PC-style at 0x378 (0x778) [ 4.318290] parport0: irq 7 detected [ 4.418610] lp0: using parport0 (polling). [ 4.967224] parport_serial 0000:03:00.2: enabling device (0000 -> 0003) [ 4.972179] parport1: PC-style at 0x3010 (0x3000), irq 18 [PCSPP,TRISTATE,EPP] [ 5.196379] lp1: using parport1 (interrupt-driven). $ sudo sh -e ppdiag.txt S01: parport built as module S02: parport0: S02: modes:PCSPP,TRISTATE,EPP S02: ADDR :0x378 S02: IRQ :no IRQ used S02: DMA :no DMA used S02: parport1: S02: modes:PCSPP,TRISTATE,EPP S02: ADDR :0x3010 S02: IRQ :18 S02: DMA :no DMA used $ sudo lspci ### edited to reduce irrelevent data ### 03:00.0 Serial controller: MosChip Semiconductor Technology Ltd. PCIe 9912 Multi-I/O Controller (prog-if 02 [16550]) Subsystem: Asix Electronics Corporation (Wrong ID) PCIe 9912 Multi-I/O Controller Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- SERR- TAbort- SERR- TAbort- SERR-