Advantech UNO-148 - BIOS Update Setting

61 UNO-148 User Manual
Appendix A System Settings/Pin Assignment
A.7.3 COM Port RS422/485 Termination Resistor Setting
A.8 BIOS Update Setting
Use SW4 to set BIOS1/2 update selection, BIOS1 (Default), BIOS2 (PCIex4) for Fac-
tory Engineering staff use.
BIOS1: Configure to Setting 1 (Default) BIOS2: Configure to Setting 3
SW1 Termination Resistor Setting
Description
This switch is used to select Termination Resistor (120 ohm) for
long distance transmission or device matching.
Default Bit3 off & Bit8 off
COM1 Bit3 on
COM2 Bit8 on
SW2 Termination Resistor Setting
Description
This switch is used to select Termination Resistor (120 ohm) for
long distance transmission or device matching.
Default Bit3 off & Bit8 off
COM3 Bit3 on
COM4 Bit8 on