This applies to all version of Icaros starting from 1.5.2.

Janus-UAE tip&tricks :

Read this first : https://sourceforge.net/projects/janus-uae/files/janus-uae/janus-uae%20v1.4/ (download and extract the archive, it contains a “coherency guide” to help understanding and configuring janus-uae as a service for icaros).

icaros installation advices, tip&tricks

This applies to versions :

There is not point using older versions.