All: I'm stocking-up on high-density S100 memory boards (to reduce heat in my Altair) and I just bought an SC Digital 16KUS memory board. It appears to be a 16kx4 board but it has some bank switch DIP switches on it. Does anyone have a manual or schematic for this board? Thanks. Rich Rich Cini Collector of classic computers Build Master for the Altair32 Emulation Project Web site: http://highgate.comm.sfu.ca/~rcini/classiccmp/ /************************************************************/