Subject: Re: iMac serial port/internal modem
To: Jan Brands <j.brands@crypto.philips.com>
From: Bill Studenmund <wrstuden@nas.nasa.gov>
List: port-macppc
Date: 11/03/1999 11:28:42
On Wed, 3 Nov 1999, Jan Brands wrote:

> Wow, what a quick response... :-) Thanx a lot!
> 
> >ttya and ttyb are probably OpenFirmware naming conventions.
> My iMac is at home, but if I remember correctly "dmesg" reports something
> about devices it found called "ztty00" and "ztty01". According to the
> man-pages ("man ztty") these correspond to serial ports on some particluar
> chip and the corresponding special files are called "ttya" and "ttyb". But

The manpage lies. On a sparc, they are ttya & ttyb. That page was written
for the sparc, and never updated for the other ports which use this
driver.

> MAKEDEV doesn't know how to make these and as I don't know their device
> numbers, I can't make them myself (to see if they are what I am looking
> for).

tty00 & tty01. :-)

> >Not
> >sure which devices are right on macppc, but tty00 or ttyC0 are good
> >guesses.  Maybe ttye0 or ttye1?
> I'll try those, thanx.

ttyC0 doesn't exist, and ttyE0 & ttyE1 aren't right - they are the console
screens! :-)

> >You might also try :dc: in /etc/remote for the line, that'll ignore
> >carrier detect.
> I'll try that.

That should help. :-)

Take care,

Bill