[GLLUG] ttyS0 trouble

[steven collins]

On Wed, 2003-01-15 at 22:16, Sean wrote:
> I guess we start with the basics:
> Did you make sure the serial port is turned on in BIOS ?
yeup.

> Do you have serial support in the kernel? 
yeup

> Are you accessing the correct device? ie /dev/ttyS1 
yeup. should be ttyS0

> Does the special file /dev/ttyS0 exist?
yeup.

>  
> Do the toughbooks share the serial port with the modem port? (dunno but it 
> is fairly common..) That usually means the modem is /dev/ttyS0 
well COM1 should be ttyS0, which is my serial port... or should be
anyway. I'm really stuck as to what I should try next. I would just give
up on it but I really need it to work. maybe I'll install another OS on
the 2nd partition and see if it does the same thing.

-steven



> On 15 Jan 2003, steven collins wrote:
> 
> > I was trying to get minicom setup on my toughbook to console into
> > routers. Minicom starts, and I can get menu's by typing ctrl+a z etc...
> > but ctrl+a+ENTER doesn't get me to the router prompt like it should.
> > It's almost as though it's simply not communicating with the router.
> > I've verified the cable, router and minicom setup on another machine and
> > it works fine. 
> > 
> > If there is some way I could verify if my serial port is hosed (or just
> > setup wrong somehow?) that'd be great... anyone have any idea's?
> > 
> > The one thing I did notice between the two machines is when doing
> > "setserial -g /dev/ttyS0" on the machine that works I get a uart of
> > "16550A" and "unknown" on the machine that doesn't work. I tried setting
> > the uart to 16550A and then got "minicom: cannot open /dev/ttyS0: No
> > Such Device"
> > 
> > what's up with that?
> > ps- this serial port has worked in with a prior install of RH7.2 with
> > this same setup.
> > 
> > -steven
> > 
> 
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-- 
steven collins <scollins@thegeekery.com>