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2.14 Serial ports (CN3, CN5)
The PCM-3345 offers two serial ports, both RS-232. These ports allow
you to connect to any serial device (a mouse, printers, etc.) or commu-
nication network.
2.14.1 COM1 RS-232 port (CN3)
The serial port connector's pin head housing is mounted on the
bottom edge of the card.
2.14.2 COM2 RS-232 (CN5)
The secondary port, located above COM1, consists of a 10-pin, dual-
in-line pin head housing.
The IRQ and address range for both ports are fixed. However, if you
wish to disable the port or change these parameters later, you can do
this in the system BIOS setup. The table below shows the settings for
the PCM-3345 board's ports.
Table 2-3: Serial port default settings
Port
COM1
COM2
2.15 VGA interface connections
The PCM-3345 board's SVGA interface can facilitate conventional
CRT displays. The card has a connector to support CRT VGA
monitors.
2.15.1 CRT display connector (CN11)
CN11 is a 16-pin, pin head housing connector. Please use the VGA
cable (provided with your kit) to convert the pin head housing
connector into a connector for conventional CRT displays.
Detailed information on pin assignments for CRT display connector
CN11 is given in Appendix A.
2 0
PCM-3345 User's Manual
Address
Interrupt
3E8, 3F8
IRQ4
2E8, 2F8
IRQ3
Default
3F8
2F8
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