User`s manual
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24
COM / LPT Port Number Settings
Under Port Number, select a COM number to assign to the serial port. Click
“OK” to approve the settings for the selected port.
Note: In order to prevent system resource conflict, do not select “in use” port.
COM / LPT System Resource
User can read the COM or LPT port’s “IO Range” and “IRQ” located in system
by selecting assigned port.
COM Port FIFO Settings
Select RS-232 COM port’s Receiver FIFO Trigger and Transmit FIFO Size.
The default Rx FIFO Trigger is 112 bytes. The default Tx FIFO Size is 128
bytes. Click “Apply to All” to change this setting for all serial ports on the
board. Then click “OK” to save the settings. If the system is not stable, select
the lower value to correct problems.










