On Thursday 09 November 2006 21:07, stan mcintosh wrote: >fredex wrote: >>>Stan, have you tried using setserial to examine and change the >>> properties of the serial port? > >I hadn't tried it until I saw your message, but I have now. setserial > helped me confirm that my ports are active, especially when someone else > suggested that I copy a file to the serial port. When the pins started > coming alive (yes, a scope still does come in handy), that confirmed > that the problem was not in hardware, BIOS, OS, or configuration. > >One problem was (possibly) that 'yum install' did not give the most > up_to_date version of PikDev. When I 'yum removed' the old version and > installed a more recent RPM, pin control was fine. > >Thanks for the help. > >stan Followup to my post of 30 seconds ago: [root@coyote gene]# ls -l /dev/ttyS* crw-rw---- 1 root uucp 4, 64 Nov 9 16:35 /dev/ttyS0 crw------- 1 root root 4, 65 Nov 9 16:35 /dev/ttyS1 crw------- 1 root root 4, 66 Nov 9 16:35 /dev/ttyS2 crw------- 1 root root 4, 67 Nov 9 16:35 /dev/ttyS3 [root@coyote gene]# setserial /dev/ttyS1 /dev/ttyS1: No such device or address Now I'm really scratching my ancient head, its there, but it ain't, WTH? -- Cheers, Gene