SC734 v1.0 Micro SD module for RCBus-80pin

SC732 v1.0 Dual servo controller module for RCBus

Documentation at smallcomputercentral.com 

This module provides simple bit-bang data transfer so it is slow, similar to a 1980 floppy disk but with much greater capacity.

The RCBus I/O port address for this module is set in binary with JP1. Fit a jumper shunt to each bit position where the address bit should be a logic ‘1’ (high voltage).

The address assumed by RomWBW is hexadecimal 69 or binary 01101001. The jumper shunt positions required for this address are illustrated below.