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Televideo 910 Linux Terminal Settings

S

schatzi

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Joined
Feb 14, 2021
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24
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USA
Hello, I recently lucked into a beautiful Televideo 910, and I'd like to make use it for vim editing files on my other (Modern linux) computers. I put it in the corner connected to a raspberry pi and I was planning on using ssh to get to my files on other computers.
I've been struggling as there doesn't /seem/ to be a vt100 emulation mode.
While I've gotten it to work in adm3a mode, very few applications seem to play nice with it, most notably ssh. Annoyingly I can ssh from the raspi desktop environment, but I can't from the terminal connection. My suspicion is the adm3a terminal mode is causing a ruckus with curses or something like that.
The manual offers 4 settings, for "Standard 910", ADDS 25, Hazeltine 1410, and ADM3A.
Standard mode I don't believe is vt100 compatible as control characters show up on the screen for everything more complicated than "ls", and even "ls" messes up unless I set it to monochrome vt100-m, which has its own issues.
ADDS 25 and Hazeltine 1410, I don't know much about these outside of the kraftwerk album cover and the lack of tildes. Couldn't find mention of either mode in linux agetty commands or terminfo to even try it.
And ADM3A, which works and formats itself well but outside of vim, nothing wants to run with it.

The setting I'm on right now for me is S1: UUUUDDUDUD, S2: UDDDDUUUUU, agetty -L ttyUSB0 19200 adm3a

TL;DR Does anyone have a nice working combo of getty and dip switch settings for the Televideo 910 for using with a modern pc?
 
onre said:
Set it up as "Standard 910" and use tvi910 terminal type.
Click to expand...
Hey thank so much, didn't know that was an option. Seems to be working outside of now I press a key and it keeps sending it over and over until I press another and it loops that one instead. Does so on ADM3A mode too so I wonder if the keyboard needs a checkup
 
It is a problem with the keyboard logic in the terminal itself, invalid terminal setting can't produce this effect.
 
Right, I gave the keyboard a deep cleaning and checked the maintenance manual, said it was a short in the ribbon cable, I took it out and put it back and it seems to be working now. SSH now says no route to host instead of permission denied, though ssh still works by other means.
EDIT: Whoops, the IP changed on the ssh target, changing it gives the host key verification failed error again. Shoot.
 
Last edited:
Chuck(G) said:
Has termcap (and terminfo) been relegated to the memory dustheap?
Click to expand...
I'm sorta new to serial terminals, and this is the first non-vt100 compatible one I've ever owned. And in my research, I've found very few things to go on outside of scans of time period manuals.
 
Like "man termcap" or "man terminfo"? If you can get your hands on an older termcap, there are some rather unusual terminal definitions there.
 
I never heard of either until this thread. The vti900 terminal setting seems to work, largely. I still get issues with line numbers in vim, ssh refuses to make known connections, and nethack is all screwy :(
 
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