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3-22 Smartio C168H/PCI User’s Manual
4. Click on the specific port and click [Port Setting] button to re-assign the
desired COM number for the Smartio C168H/PCI port mapping.
Note! Step 5 is optional, if you want to assign COM numbers to Port
manually.
5. Check Auto Enumerating COM Name check-box to assign continuous COM
numbers for subsequent ports. For example, if COM 3 is assigned to Port 1,
then COM 4 will be automatically assigned to Port 2.
Note! Step 6 and 7 are optional, if the system doesn’t require a special
performance tuning.
6. Re-assign the Rx FIFO Trigger by selecting a number from the pull-down list.
Check Set the change to all ports check-box if desire to apply this setting to
all ports.
Rx FIFO trigger levels, at 1, 4, 8 or 14 bytes, are available, and the default
value is 14 bytes.
7. Re-assign the Tx FIFO Size by selecting a number from the pull-down list.
Check Set the change to all ports check-box if desire to apply this setting to