On Jun 23, 2006, at 14:40, William L. Maltby wrote: > First look at /var/log/dmesg and see if it's found there. If it is, > should should see some accurate numbers. Also /var/log/messages might > have something. Arrgh, I thought I looked in the output of dmesg before (I must have grep'ed for ttyS1 and not seen anything). But saving the output of dmesg to a file, and looking at it line by line, I found that the ports are there, but not as ttyS{1,2} as I expected, but rather as ttyS{4,5}! A quick test confirms that these ports are working just fine. Thanks, Alfred