P4SP Motherboard
Rear Panel and I/O Connector
On the rear panel of the board there are several external Input/ Ouput ports. These ports are color
coded for easy identification.
PS/2 Ports
The PS/2 ports are for a system keyboard and mouse or other tracking device. It is recommended
that you do not plug or unplug devices when the system is on.
USB Ports
There are two high-speed USB 2.0 ports, for connecting either USB 1.1 or 2.0 devices to the
system. These ports are for “Type A” USB cable connectors. It does not matter if the system is on
when you connect or disconnect USB devices.
10/100 Mbps Ethernet Port
The 10/100 Mbps Ethernet Port is an RJ-45 connector for standard Cat 5 LAN cabling. The
connector attaches to the onboard RealTek Ethernet LAN controller.
COM Serial Port
The COM Serial port has a 9-pin connector and can operate at speeds up to 115,200bps. Do not
connect or disconnect a serial port when the system is turned on.
Parallel Port
The Parallel port connects the system to devices that have a parallel interface. This port is
generally used to connect a printer to the system.
User’s Manual 2 - 13
