Nixdorf Quattro/7 Operating System or other type of boot media requested

[spiceminer]

Dear All!

Since a few years I own a Nixdorf Quattro/7 that I rescued from a haystack.
Unfortunately it will not boot.
When I try to start the machine, I get following codes on the status display:
FF
E0
B0
1 - in parallel to this some 2 seconds seeking noise from the hard drive
followed by 43/C0 in an endless loop.

No difference if a terminal is connected or not.

The machine has the CPU, 4x ALME and the HD Controller card.





I assume the error is related to a faulty harddrive.

Is there possibly some disk image (hard disk or floppy) available to boot or diagnose the machine any further?

Thanks a lot and best regards
Stephan

 

[spiceminer]

Is the 8870 such a rare machine? Maybe no 8870 users available here?

 

[tingo]

Doesn't look like there is much information on the internet. Here is some I found:

8870Adventures – Adventures with the Nixdorf 8870 Mini Computer

8870adventures.com

Nixdorf 8870, DAP terminals, NIROS

How to sell in the UK - simple flattery and some national stereotyping: From the giant photo and video collection.

retrocomputingforum.com

https://techarchives.irish/minicomputer-systems-and-software-1969-82/peter-byrne/

Unfortunately, no software.