Hello Anursriv,
1. I was able to turboboot directly from 4.3.4 SP5 to 5.3.3 with no SMUs. Same with 5.1.3. Version 4.3.4 SP5 to 5.1.3 required SMUs due to the Abraxis server change for validating files.
Karlo,
Thanks for the reply and the info about keeping the STBY RSP in ROMMON for safe keeping. There is a security for me with removing the RSP in any event where it could possibly sync before I know I do not want to rollback. If i have to turboboo...