User's Manual

CB Series PC104 Plus User’s Manual Software Installation
3. Select a port to configure and click Port Setting.
Under Port Number, select a COM number to assign to the serial port. Select Auto Enumerating
COM Number to map subsequent ports in numerical order. For example, if COM 3 is assigned to
Port 1, then COM 4 will be automatically assigned to Port 2.
4. Select an Rx FIFO Trigger and Tx FIFO Size. The default Rx FIFO Trigger is 120 bytes
(high level). The default Tx FIFO Size is 128 bytes (high level). Select Set the change to all
ports to use this setting for all serial ports on the board.
TxFIFO RxFIFO
High 128 120
Middle 64 60
Low 1 1
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