The DKB 2632 uses normal 72-pin SIMMs.
http://www.amiga-hardware.com/showhardware.cgi?HARDID=988Regarding sound, there are GoldenGate2+ drivers for the "TrueSound MP3 decoder board".
Other Sound/RTG drivers don't exist, and due to the lack of DMA they would most likely be slow if anyone bothered to program such drivers.
-Paul
