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Appendix B
IBM Personal Computer
and Compaq Computer
Both the IBM Personal Computer and the Compaq computer
function the same when connected to Radix. We will discuss the
IBM-PC, knowing that all we say works just as well for the Com-
paq.
Connecting Radix to an IBM
Radix can connect to either a serial or a parallel interface in
the IBM-PC or IBM-XT computers. IBM calls a parallel interface a
"Parallel Printer Adapter," and they call a serial interface an
"Asynchronous Communications Adapter."
You only need a cable to connect Radix to your IBM-PC. Your
Radix dealer can furnish this cable, or you can use a standard
IBM-PC parallel printer cable for the parallel interface.
Connecting with the parallel interface
We recommend that you set the DIP switches in Radix as
shown below when connecting it to an IBM-PC parallel interface.
Connecting to the serial interface
The IBM-PC expects its printer to be connected to the parallel
interface. If you are using the serial interface, then you will need
to instruct your computer to send information to the serial inter-
face instead of to the parallel interface. This is done with the
MODE command. You must use the following two commands
each time you turn on your computer.
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