Back Panel Connectors
The motherboard external IO connectors are attached to a metallic I/O shield. This
shield serves several purposes:
•
It protects the sensitive motherboard from any external EMC interference.
•
It stops the computer from interfering with other electrical devices.
•
It allows the motherboard to be easily upgraded in the future without having to
resort to buying a whole new case. Simply change the I/O shield to match the
motherboard.
The I/O shield provides external access to PS/2 keyboard and mouse connectors as
well as one serial port, one parallel port, four USB ports, one LAN Port and the audio
connectors.
NOTE:
Power to the computer should be turned off before a keyboard or mouse is
connected or disconnected.
The I/O shield provides external access to the following:
1. 1x PS/2 Keyboard
This port is for a PS/2 Keyboard
2. 1x PS/2 Mouse
This port is for a PS/2 Mouse
3. 1x Serial port
The serial port is a 16550A high speed communications port that sends/ receives 16
bytes FIFOs. You can attach a serial mouse or other serial devices directly to the
connector.
4. 1x parallel port
A parallel port is a standard printer port that supports Enhanced Parallel Port (EPP)
and Extended Capabilities Parallel Port (ECP) mode.
V1.0 VIG590M Motherboard Manual
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