This machine is ready to boot RT-11 v4.0 (BOOT RK0).

Alternatively, you can also boot XXDP+ Diagnostics (BOOT RL0) and run diagnostics (e.g., R EKBEE1):

• EKBAD0: 11/70 CPU DIAGNOSTIC (PART 1)
• EKBBF0: 11/70 CPU DIAGNOSTIC (PART 2)
• EKBEE1: 11/70 MEMORY MANAGEMENT DIAGNOSTIC

For more information about booting and running these diagnostics, see XXDP+ Diagnostics.

PDP-11/70 Documentation

PDP-11/70 Handbook
(1976)
[Source]

PDP-11/70 Handbook
(1979)
[Source]

RT-11 Documentation

RT-11 Installation and System Generation Guide
(Mar 1980)