I believe you need to use a different version for each:
- Zeus has its own verson on the wiki, I always install it before programming a zeus v1 or v2
- SSC v2-modded-to-v3/v3 -- use SSC v3 wiki version (might also work with v1 modded to v3?)
- SSC v4 - use SSC v4 version (this appears to work with zeus ... but does not!)
It's a pain, but one you realize you need to correct version for each ... I always do an install/update before using each type.
I mostly use the v4 version and zeus version ... but if I need to reprogram a v3 (or modded v1 or v2) ... then I use that v3 version.