SOYO SY-7IWB User Manual page 35

Hardware Installation
2. Parallel Port PRT1
This parallel port is used to connect the printer or other parallel devices.
Your Motherboard comes with one 25-pin female external parallel
connector with 25-pin flat cable.
Plug the 25-pin end of the flat cable into the PRT1 parallel connector on
the Motherboard, as shown in the figure below, then fix the bracket to one
of the slots at the back of the computer case using a screw. After having
finished this you can plug any parallel device into the back panel
connectors.
3. AT Keyboard
Plug the keyboard jack directly into the 5-pin female AT keyboard
connector located at the rear panel of the Motherboard.
AT Keyboard
Connector
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SY-7IWB