Epson EQUITY 386SX/16 PLUS - Manual (Page 28)

Connecting the Keyboard
Follow these steps to connect the keyboard:
1. Hold the keyboard cable connector so the indicator on
the housing faces up. Insert the plug into the appropriate
socket, marked with a keyboard icon, as shown below.
keyboard connector
Caution
Although the keyboard and mouse connectors are
physically identical, they cannot be used
interchangeably. Be sure to insert the keyboard plug
into the keyboard socket.
1-12 Setting Up Your System