Solid State Music - 16K RAM
This board came out in 1977.  It utilized 32 uPD410 static RAM chips.

The board came out before the IEEE-696 specifications were considered  and so only has 16 bit memory addressing. It could be addressed on any 4K boundary. It utilized 200 nsec 4KX1 RAMs. It recognized the S-100 Phantom line and had write protect in 4K blocks.

The manual & schematic for this board can be obtained here.

 

Other Solid State Music S-100 Boards
8K RAM    VDB-1    8080 CPU   Z80 CPU    EPROM   IO4    PB1    VB3    IO5   16K RAM