Hi all ! I'm using a Suse90 on a Fujitsu Siemens E series laptop. It seems the serial port don't work correctly. It is very slowly. I connected this port to the PC serial port with simple null modem cable. I send a string out (echo 'Hello' > /dev/ttyS0) from PC and read on Laptop (cat /dev/ttyS0). The communication reading was verry slowly. It was some string which can't arriving to the laptop. I probed change the communication direction but in this case the writeing was very slowly. In the laptop there is a WinXP too ( while I can't use the serial port ;) but it work correctly. So I think the uart is ok. Have somebody any idea ? There is an another problem. It seems the linux can't use the inner IRDA port. It is possible ? Thank you Saca