[TUHS] having issues with simh and setting up dci for unixV7

Clem Cole clemc at ccc.com
Thu Oct 21 11:58:03 AEST 2021

FWI:  You'll probably have better luck with the KL/DL interface.   And it's
already in the system, since the console is on the first one.
# cp hptmconf myconfnf
# echo 3kl >> myconf

If you are really adventurous with simh, then configure the DH11 and it's
associated DM11 interface, which from a performance standpoint work a lot
better and have all the RS-232 signals supported [which is something one of
the PiDP folks was recently trying to get going].
# echo 2dh >> myconf
# echo dhdm >> myconf


On Wed, Oct 20, 2021 at 6:51 PM joseph turco <italian.pepe.32 at gmail.com>

> hello all,
> i am a new unix user, so please excuse my ignorance.
> I am trying to setup using unixV7 with simh pdp11 emulator. The guide i am
> following is by Will Senn (in PDF form). I have been able to successfully
> get the machine to boot with unix, and login as root. what i am having
> problems with, is trying to get telnet access via dci to work. when i
> follow the guide and do the following:
> # cd /usr/sys/conf
> # rm l.o c.o
> # cp hptmconf myconfnf
> # echo 4dc >> myconf
> # mkconf < myconf
> # make
> as - -o l.o l.s
> cc -c c.c
> ld -o unix -X -i l.o mch.o c.o ../sys/LIB1 ../dev/LIB2
> # sum unix
> 10314
>  106
> # ls -l unix
> -rwxrwxr-x 1 root
>  54122 Dec 31 19:09 unix
> etc...
> when i issue the mkconf < myconf command, i get a bunch of text printed
> out, but with a 'root device not found'. the sum unix value is different,
> as well as the size of the ls -l unix file size.. now when i try booting it
> with the newly created mboot.ini file (as per the guide), i go to start up
> the system with 'hp(0,0)munix' and it starts but hangs with the text 'fault
> devtab'
> what am I doing wrong?
> regards,
> Joseph Turco
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