I have two Mercury Serial Card, and the linux recongnice in the lspci like: Timedia Technology. the lspci is: linux-victoria:/opt/mozilla # lspci 00:00.0 Host bridge: Intel Corp. 82845 845 (Brookdale) Chipset Host Bridge (rev 04) 00:01.0 PCI bridge: Intel Corp. 82845 845 (Brookdale) Chipset AGP Bridge (rev 04) 00:1e.0 PCI bridge: Intel Corp. 82801BA/CA PCI Bridge (rev 05) 00:1f.0 ISA bridge: Intel Corp. 82801BA ISA Bridge (LPC) (rev 05) 00:1f.1 IDE interface: Intel Corp. 82801BA IDE U100 (rev 05) 00:1f.2 USB Controller: Intel Corp. 82801BA/BAM USB (Hub (rev 05) 00:1f.3 SMBus: Intel Corp. 82801BA/BAM SMBus (rev 05) 00:1f.4 USB Controller: Intel Corp. 82801BA/BAM USB (Hub (rev 05) 01:00.0 VGA compatible controller: nVidia Corporation Vanta [NV6] (rev 15) 02:09.0 Ethernet controller: 3Com Corporation 3c905 100BaseTX [Boomerang] 02:0a.0 Ethernet controller: 3Com Corporation 3c905 100BaseTX [Boomerang] 02:0b.0 Ethernet controller: 3Com Corporation 3c905 100BaseTX [Boomerang] 02:0c.0 Serial controller: Timedia Technology Co Ltd: Unknown device 7168 (rev 01) 02:0d.0 Serial controller: Timedia Technology Co Ltd: Unknown device 7168 (rev 01) The cards are configurated: ttyS00 at 0x03f8 (irq = 4) is a 16550A ttyS01 at 0x02f8 (irq = 3) is a 16550A PCI: Found IRQ 9 for device 02:0c.0 PCI: Sharing IRQ 9 with 00:1f.3 Redundant entry in serial pci_table. Please send the output of lspci -vv, this message (1409,7168,1409,4037) and the manufacturer and name of serial board or modem board to serial-pci-info@lists.sourceforge.net. ttyS04 at port 0xdf80 (irq = 9) is a 16550A ttyS05 at port 0xdf88 (irq = 9) is a 16550A PCI: Found IRQ 5 for device 02:0d.0 PCI: Sharing IRQ 5 with 02:09.0 Redundant entry in serial pci_table. Please send the output of lspci -vv, this message (1409,7168,1409,4037) and the manufacturer and name of serial board or modem board to serial-pci-info@lists.sourceforge.net. ttyS06 at port 0xdf40 (irq = 5) is a 16550A ttyS07 at port 0xdf48 (irq = 5) is a 16550A And I have a problem, when I am starting the linux (serial daemon) o if I do /etc/rc.d/serial start the system hang up, only when I have a serial printer (Epson LX300+) connected to the serial port (ttyS4, 5, 6 or 7) If I don't have nothing connected, no problem, I can start the system without problem. I don't have nothin in /var/log/messages Is not a kernel panic, is a system stop starting or running. If I have any connected, and I do setserial -a /dev/ttyS4 the system crash again (only with the printer connected) Thank you PD: Linux SuSE 8.0 Kernel 2.4.28-64GB Bye