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4.2 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.
4.3 COM / LPT System Resource
User can read the COM or LPT port’s “
IO Range
” and “
IRQ
” located in system
by selecting assigned port.
4.4 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.