Originally Posted by
RR_NDB
Yes, in the meantime I have seen it myself.
Still, I'm convinced that the more square shaped CSMu are simply older generation and that CVR and DFDR share the same type of CSMU.
Back in 'net fishing for pics...
Edit:
At least I found a pic of the CSMU on the Honeywell page.
The most recent ones seem to be cylindrical and they describe it as memory for the SSFDR.
Solid State Flight Data Recorder - Honeywell Aerospace
Could be still a wrong image though.