4.2.1 and 4.3 console messages - staircasing.. No CR?

4.2.1 and 4.3 console messages - staircasing.. No CR?

Post by Tony » Thu, 22 Aug 2002 03:18:06

I have a few machine ranging from 43P, 530, F40, F50,... P620, etc..
running various version of AIX, mostly 4.2.1 and 4.3.3.  Problem I have
is that on an IBM 3153 terminal, setup for vt100 or even vt220
emulation, whenever I am logged in to the console, the console messages
look normal...

However if I am NOT logged into the console, there seems to be a
staircasing effect, on the text.  It seems like there is only a LF being
send instead of a LF/CR.  This is very annoying since messages are all
garbled...  The terminal has a translation feature to convert incoming
CR to CR/LF, but I am NOT receiving only a CR..., I am receiving only a
LF.  I tried a few combinations of stty options, but can't seem to
change the behaviour.

It seems that the getty processes handles the port differently during
"login" than after I am logged in.  When I used to use SCO Unix I
remember there was a file in /etc called gettydefs, which defined login
and post-logon tty properties.  Is there something similar on AIX?

Consoles are mostly on tty0 on these machines, and they have the
original console cables from IBM, so it is NOT a cabling issue.  They
work fine if someone is logged in...

Any ideas?



1. Panasonic CR-563, CR-562 and IBM external CR-563 compatible.


I have a couple of questions concerning CD-ROM drives.

a) What is the difference between a Panasonic CR-562 and a  Panasonic CR-563 ?

b) Can I use the IBM external (Panasonic CR-563 compatible) as an internal
   CDROM drive, and can I then connect it to the Panasonic Soundblaster
   Interface with a 40-pin cable.
   And can I connect the IBM drive via an internal cable to the audio card
   for the audio facilities. (4-pin cable)?
   Does the SBPCD driver work with this IBM 'internal drive', connected to
   the sound blaster, or does it only work with his own interface and so as
   an external drive?
   Are the connectors of this drive so that it can be used as internal drive,
   I mean the power, data and audio connectors?

c) Is there someone who has a working INSTANT TECH CDROM drive under linux
   (double speed)? It is named INSTANT TECH CDAT300I, and has its own interface
   board, and could work with a SONY compatible interface. It has a 34-pins
   connector. The interface card is named something like 'IAT-SY02'.
   Is there someone who has a driver for this CDROM player, for under Linux?
   Or is there someone who can give me some hints?
   The device driver for under dos is named CDAT300I.SYS. The firm is GSL.
   Could I use the sony interface on the sound blaster card?
   Any help is appreciated



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