Epson ActionNote - Manual (Page 22)

EXT KB (external keyboard/mouse port)
Use this port to connect any PS/2-compatible keyboard or
keypad. Additionally, if you attach the adapter to this port, you
can connect a mouse or other pointing device and a keyboard
or keypad. When used along with the PRINTER port, this port
also supports an external diskette drive. See page 1-10 for
instructions on connecting a diskette drive or Chapter 5 for
instructions on installing optional devices.
PRINTER (parallel port)
You can connect a parallel device, such as a printer, to this port.
When used along with the EXT KB port, this port also supports
an external diskette drive. See page 1-10 or Chapter 5 for
instructions.
COM 1 (serial port)
This port supports a serial (RS-232C) device. See Chapter 5 for
more information.
VIDEO (external VGA port)
You can connect a VGA monochrome or color monitor to this
port. Your computer displays information on both the LCD
screen and an external monitor at the same time.
DC input port
Connect the AC adapter cable here. See page 1-8 for
instructions.
Setting Up the Computer 1-7