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UNO-3000G Series User Manual
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2.2.4
RS-232/422/485 Selection
COM1 and COM2 support 9-wire RS-232/422/485 interface. The system detects RS-
422 or RS-485 automatically for COM1 and COM2.
User can set RS-422/RS-485 mode for COM1 and COM2 by the following two ways.
BIOS Setup
1.
Press "F2" in the boot-up screen to enter BIOS setup utility.
2.
Set Serial Port1 or Serial Port2 in sub-manu "Advanced/NCT6776F Super I/O
Configuration.