Gustav:
As a follow-up to this, when I try to start up minicom, as either root
with the -s option, or as a normal user, I get the error message:
minicom: cannot open /dev/ttys0: Input/output error
Any ideas?
- Mike
On Fri, 4 Feb 2000, Gustav Schaffter wrote:
> Michael,
>
> When you say, "I get the prompt back", does the APC on COM2 actually
> *tell* you something? If so, what?
>
> Do you have any old external modem laying around? Even a 2400bps or
> slower will do.
>
> If so, connect it to ttys1 (Yes, COM2) and use minicom to talk to it.
> Your 'AT' commnad should return 'OK'. So, you have contact with the
> outside world through ttys1.
>
> Some (most?) APC units need to have the DIP switches correctly set to be
> able to talk to a PowerChute software. (Read the APC manuals.) Have you
> been able to run PowerChute to this unit under another OS?
>
>
> Regards
> Gustav
>
>
> "Michael J. McGillick" wrote:
> >
> > Evening:
> >
> > I'm working on trying to get the APC Powerchute software to work on my
> > Linux box. The first thing I did was go in and check the BIOS settings
> > for my machine. I have COM 1 disabled, because I have an internal U.S.
> > Robotics Courier V.Everything installed. Com 2 is configured and has the
> > normal ioports associated with it (I believe this is 2F8 or something like
> > that). I also booted to a DOS disk, adn tried from the command line the
> > following 2 commands:
> >
> > echo "AT" > com1
> > echo "AT" > com2
> >
> > In both cases, I get the prompt back, which tells me that the machine is
> > recognizing both ports and is able to talk to them.
> >
> > I then booted my machine into Linux, and downloaded and installed the
> > latest powerchute rpm from APC's site. It installed just fine, and I
> > followed the directions to run the configuration script. I am able to
> > answer everything in the installation, and when it asks where the UPS is
> > connected to, I select /dev/ttyS1 (COM2 I believe) because this is where
> > the cable is connected to on the computer.
> >
> > When the script finishes, it keeps telling me that /dev/ttyS1 does not
> > appear to be a valid tty. What am I doing wrong? Where or what should I
> > be looking at to try and resolve this issue?
> >
> > - Mike
> >
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