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PPC-090T-APL User’s Manual
IUMPPC090TAPL-01 Ver.1.1A Aug, 2021
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4.3 BIOS COM1 Setting (RS232/422/485)
COM1 can be set to be RS232/422/485 function. Please refer the instruction as below.
(1) In the BIOS Setup, please go to “Advanced” and “Super IO Configuration”.
(2) Go to “Serial Port 1 Configuration”.