Croemeco 4FDC daughter board...

[William Sudbrink]

Interesting daughter board on the 4FDC in this ebay lot:

 

https://www.ebay.com/itm/Vintage-Lot-of-2-Cromemco-S-100-Boards-Z80-ZPU-CPU-
4FDC-Floppy-Disk-Controller/202903187221?hash=item2f3df8ef15:g:kGQAAOSwhKZeQ
z9C

 

(sorry if you have to paste the URL back together)

 

I thought maybe it was the JVB FDCX4 but after looking at some pictures,

it clearly is not.  Looks like it just adds a data separator to the 1771?
Anybody

have one of these?

 

Bill S.