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question about getting Multiplan working on Xenix

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Todd:
I'm sorry, does anyone know the communication setting for connecting a terminal to the Lisa's serial port for Xenix?

I tried serial A and got nothing. I'm getting garbage echo-ing from serial B so that's progress, but I played with various parameters to no joy. Settled on 9600-N-8-1, but mostly get "y" echo-ed back. Are there any nuances to this?

I use serial B with BLU so think hardware-wise the serial port is OK, will re-test that while I am at it.

Many thanks. Sorry to be a bother but hopefully this will be helpful for someone doing a search.

rayarachelian:
I think you have to edit some system files to get getty running on serial port a and b, I don't remember how to do that off the top of my head, but this might help:  http://www.nj7p.org/Manuals/PDFs/Intel/174389-001.pdf page 111-112 (10-7 to 10-8) - looks like /etc/ttys is what you'd want to edit.

and http://bitsavers.org/pdf/apple/lisa/xenix/XENIX_Lisa_2_Reference_May84.pdf page 114, 134, 446
Looks like for the Lisa you'd want something like:


--- Code: ---12ttya
12ttyb

--- End code ---

or perhaps:

--- Code: ---12tty01
12tty02

--- End code ---

Check /dev/tty* to see what shows up, prefix it with a "12" and add to /etc/ttys, then run enable on that device.
(I don't recall if it's supposed to be /dev/ttya or /dev/tty01 for serial ports, etc.)

Todd:
Many thanks, sir! I'll report back with an update if there is anything to report.

Todd:
It worked. :). Next time I'll think to check the manual.

ttya and ttyb are the A and B serial ports. Not sure what tty01 and tty02 are.

I did


--- Code: ---enable ttyb
--- End code ---

and was able to get the login prompt immediately. Used vt100 emulation and was able to get mp to run on the Lisa and on my laptop simultaneously logged in as two different users. Pretty cool.

Thanks again for your help,

Todd

rayarachelian:

--- Quote from: Todd on December 01, 2020, 11:24:17 am ---It worked. :) . Next time I'll think to check the manual.

ttya and ttyb are the A and B serial ports. Not sure what tty01 and tty02 are.

--- End quote ---
Yeah, I just didn't remember the exact names on the Lisa running Xenix. Too many Unix like operating systems in my lifetime from solaris, aix, linux, *bsd, etc. to tell them apart, you tend to remember what they have in common.


--- Quote from: Todd on December 01, 2020, 11:24:17 am ---
I did


--- Code: ---enable ttyb
--- End code ---

and was able to get the login prompt immediately. Used vt100 emulation and was able to get mp to run on the Lisa and on my laptop simultaneously logged in as two different users. Pretty cool.

Thanks again for your help,

Todd

--- End quote ---

Excellent! As your next homework assignment, you'll have to obtain one of those Sapient Tecmar clone Quad Serial Port cards, and then add four more terminals to your setup so you can use your Lisa as an office server. ;)

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