Thankfully Envisioneer isn't as picky as some products from Nuance eg PaperPort, OmniPage, Dragon . .
A user assumed his new system would automatically detect & apply his GSkill ram timings (as you do) but it seems that's not always the case. He was having issues with PP or Pdf Converter hanging/freezing.
Read the wiki at https://sites.google.com/site/wikipaperport/knowledgebase/
and check the entry 2012-07-07 One solution to PaperPort hang-freeze.pdf