Advantech PCA-6166, User Manual

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Chapter 2 Connecting Peripherals 27
The IRQ and address ranges for both ports are fixed. However, if you
want to disable the port or change these parameters later, you can do
this in the system BIOS setup.
Different devices implement the RS-232 standard in different ways. If
you are having problems with a serial device, be sure to check the pin
assignments for the connector.
2.9 PS/2 Keyboard and Mouse Connector
(CN11)
The PCA-6166 board provides a keyboard connector. A 6-pin
mini-DIN connector (CN11) on the card mounting bracket supports
single-board computer applications. The card comes with an adapter
to convert from the 6-pin mini-DIN connector to a standard DIN
connector and to a PS/2 mouse connector.
2.10 External Keyboard Connector (CN12)
In addition to the PS/2 mouse/keyboard connector on the PCA-6166's
rear plate, there is also an extra on-board external keyboard connector.
This gives system integrators greater flexibility in designing their
systems.