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In single-board-computer (non-passive-backplane) applications
you will need to connect power directly to the SBC-350A board
using connector CN9. This connector is fully compatible with the
standard PC power supply connector (P8). Refer to the following
table for CN9's pin assignments.
Pin no. Function
1
2
3
The SBC-350A offers two RS-232 16C550 compatible serial ports.
These ports let you connect to serial devices (mouse, printers,
modems etc.) or a communication network.
You can select the address for each port or disable it through the
BIOS Advanced Setup program, covered in Chapter 5. The
following are the options for both ports:
Port
COM1
COM2
The card mounting bracket holds the serial port connectors. This
lets you connect and disconnect cables after you install the card.
The DB-9 connector on the top of the bracket is the COM1 RS-232
port. The second DB-9 connector is the COM2 RS-232 port. The
following section tells how to make RS-232 connections.
20
SBC-350A User's Manual
Power good
+5 V
DC
+12 V
DC
Address options
Disable
3F8
Disable
2F8
Pin no. Function
4
-12 V
5
GND
6
GND
3E8
2F8
2E8
3F8
DC
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