The processor of the Schneider EURO PC is the Intel 8088 and not the 8086 as currently emulated.
Also, please add the 4.77 mhz option, as it was supported by the computer, and also supported in the BIOS. (You can enter the BIOS with Ctrl+Alt+ESC).
Source:
https://de.wikipedia.org/wiki/Schneider_Euro_PC
http://computermuseum.wiwi.hu-berlin.de ... ?id=desk19
Kind regards!