Haha.
We are gong to re-spin the motherboard, but that is at least 8 weeks out from delivery and we have 50 units in house that we need to get working. We need to make sure we can solve the problem before we order more.
I am working on getting a high speed scope to see if our measurement on SDCK is correct.
You could try one of these.
http://www.emscan.com/emxpert/index.cfm
The UK rep offered to loan us a trial unit for a couple of weeks. Worth asking.
The new hydra+ incorporates the improvements from 1.3. As this new board replaces the old one, I recommend trying it out. https://www.ghielectronics.com/community/forum/topic?id=17168