Hello, I wish to use ibm dock 2631 with my X21. the PCMCIA and PS2 mouse are ok. I don't have tested the PCI slot. But I've problem with usb. dmesg said : "hub 1-0:1.0:Cannot enable port 1. Maybe the USB cable is bad?" Someone has solution, what is the good config for the kernel and what is the good driver. Thank you very much for help Gwenhael