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IBM PERSONAL COMPUTER
The Interface Board
Install the I BM parallel interface board according to the directions
that accompany the product, which you can obtain from your
Gemini dealer or from an IBM salesperson.
Use the Gemini cable provided by your dealer or use cable
information at the end of this appendix.
Setting the DIP Switches
DIP switches 2·3 and 2-4 should be turned "off" on your Gemini,
and the other two may be set according to your operational
requirements.
Switch 2-2 should be set "off" if you want Gemini to print
every time it receives a CR code; set it "on" if you wish to have
the carriage return ignored and printing only when the buffer is full.
The Use of BASIC
All the example programs provided in this User's Manual are writ-
ten in BASIC for the IBM Personal Computer. You may run them
in IBM Microsoft BASIC or in IBM Microsoft Advanced BASIC
(BASICA).
Pin Configurations
192
The following chart shows the pin-outs for the Gemini-10X and
Gemini-15X, interfaced with the IBM Personal Computer, using a
parallel interface board.
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