American Megatrends MEGAPLEX II MAN-782-CH9 - Manual (Page 13)

Chapter 1 General Information 7
Connectors on Back of Chassis
The back of the chassis has connectors for the keyboard, mouse, serial ports (1
and 2), parallel port, and VGA port.
The Megaplex II has two sets of keyboard and mouse ports. The primary
keyboard and mouse ports are located on the front of the chassis, to the left of
the floppy disk drive. The keyboard and mouse ports on the back of the
Megaplex II are maintenance ports.