Have you checked out settings in the BIOS and in you /proc/ file system (interrupts and ports?) to see if any obvious conflict is visible there? Sorry if this was already suggested...and good luck! Troy >>> dutchman at uswest.net 02/27/02 07:01AM >>> 1. ppp is not running 2. /dev/modem still points to /dev/ttyS4 3. See the line "ttyS04 at port 0xccOO (irq 11) is a 16550A" in my sytem startup log