On Thu, Feb 26, 2009 at 04:55:16PM +0000, Anne Wilson wrote:
On Thursday 26 February 2009 13:37, William L. Maltby wrote:
Look in your /var/log/messages file. At boot, you should see the device recognized.
Feb 26 12:12:25 borg2 kernel: serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A Feb 26 12:12:25 borg2 kernel: serial8250: ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A
Didn't you say there was only one port? There might be a second on the main board that is accessible via a header. If it's not hooked up disable all but the first in the BIOS (later). It's not really hurting anything as is, but it will free the I/O address and IRQ for assignment to other devices.
I believe you are right. I remember those - and the 25-9-pin adapter :-). Peering around the back in a dark corner, I could well have been mistaken. OK - female socket, so that's a COM port, I think.
Let me just throw out one caveat here: Many UPSes that use a serial port don't really utilize it to transfer serial data, but rather just raise/lower some of the signal lines to let the software on the host know something has changed. Of course, lots of them, especially newer/smarter ones DO pass serial data. But if this one is one of the dumb ones, the cable may not even be a normal rs-232 cable, so trying to monitor it with a terminal may not produce much useful information.
Anne _______________________________________________ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos