/dev/ttySx problems

[fredex]

On Wed, Nov 08, 2006 at 08:17:44PM -0500, stan mcintosh wrote:
> I am running Fedora 5 on an MSI AMD socket 754 mainboard, and I want to 
> use Pikdev with a serial port microcontroller programmer.  The problem 
> is that I cannot get the serial port to come alive.  Below are the 
> rights properties, and I have added myself to the uucp and ls groups. 
> 
> [stan at localhost ~]$ ls -l /dev/ttyS*
> crw-rw---- 1 root uucp 4, 64 Nov  7 14:18 /dev/ttyS0
> crw-rw---- 1 root uucp 4, 65 Nov  7 14:18 /dev/ttyS1
> crw-rw---- 1 root uucp 4, 66 Nov  7 14:18 /dev/ttyS2
> crw-rw---- 1 root uucp 4, 67 Nov  7 14:18 /dev/ttyS3
> [stan at localhost ~]$
> 
> Pikdev has a debugging function to allow the operator to turn specific 
> pins on and off.  There is no response to the serial port, and I have 
> tried all ports with all combinations of address/IRQ settings in the 
> BIOS.  Turning parallel port pins on and off is a snap.
> 
> Anyone see what I have set up incorrectly?  (By the way, I did check the 
> serial cable thoroughly for continuity, and the serial port is soldered 
> in as part of the motherboard to leave me no opportunity to have 
> forgotten to connect a cable.)
> 
> Thanks.
> 
> stan

Stan, have you tried using setserial to examine and change the properties
of the serial port?


-- 
---- Fred Smith -- fredex at fcshome.stoneham.ma.us ------------------------ ----
                    Do you not know? Have you not heard? 
    The LORD is the everlasting God, the Creator of the ends of the earth. 
  He will not grow tired or weary, and his understanding no one can fathom.
----------------------------- Isaiah 40:28 (niv) -----------------------------
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