Installing The Expansion 1/0 Port - Sharp MZ-80B Owner's Manual

36
3.1.3 Installing the Expansion 1/0 Port
The expansion 1/0 port, MZ-80EU, is installed in the open space at the rear of the lower cabinet as
shown in FIGURE 3 .1. Installation procedures are illustrated in FIGURE 3.7.
1) Open the I/0 module access window by removing
the two screws holding the window cover panel as
shown above.
3) Affix the expansion I/0 port on the inside with
two screws as shown above .
2) Insert the expansion I/0 port MZ-80EU as shown
above .
4) Affix the expansion I/0 board at the window with
two screws as shown above.
FIGURE 3.7
After the expansion 1/0 port is installed, connect the 40 wire flat cable connector to terminal CN4
of the CPU board and the power supply cable connector to terminal CN7 of the CPU board.