Sorry for the delay in response - my baby girl finally decided to show up :)
I also had found the PDF were position 10 is a revision indicator, which I also believe should make no difference what-so-ever.
I've mailed the US support directly (living in France), guys have responded (rather...
So, I may have found out the issue I have.
The memory modules I have are Samsung 8GB M393B2G70DH0-CH9 and the SuperMicro seems to require M393B2G70BH0-CH9.
Apparently, I had misread the requirements and got misled.
So, it is running with 3*8GB on slots A1, B1 and B2. Do not quite understand why...
Hi, I was also facing similar issues. (no boot, no screen output, no beep, IPMI working, I've got 5VDC/12VDC at the molex plugs).
When digging a bit further, my Mobo looks like having issues with the RAM modules.
Slots 1A, 2A, 2B can only be used with 8GB modules, if I load anything onto 3A...