ttys* init 

Forum: Xircom PCMCIA Ethernet Adapter Issues
Re: Problems with cs-3.1.4 and Kernel 2.2.13 (Stefan Kapfhammer)
Date: 1999, Nov 18
From: Philippe Henry henry

I use SuSE 6.2 with kernel-2.2.13 and pcmcia-3.1.4. I had to disable automatic setting of irq at boot time for ttyS* ports, typing the command "chmod a-x /sbin/setserial", then reboot.