The PiDP-11 manual has instructions for running the software without the front panel. However starting RSTS/E took almost an hour. So I posted the problem on the PiDP-11 google group. Oscar suggested commenting out starting the server startup in /opt/pidp11/bin/pidp11.sh Here is a part of the script with the server commented out
echo "*** Start client/server ***"
# sudo ./server11 &
sleep 2
sudo ./client11 /run/pidp11/tmpsimhcommand.txt
# after simh exits, check if a newly created command file now says exit>
if [[ $(< /run/pidp11/tmpsimhcommand.txt) == "exit" ]]; then
reboot=1
else
reboot=0
fi
((reboot==1))
This. made a huge difference. Before I got a “CPU is too slow” message
After commenting out the server…I still got the “CPU is too slow” message . However it was much closer to the 1M target. And starting RSTS/E went from almost an hour to less than a minute.