Microsoft Advantech UNO-3074 User Manual

UNO-3074 User Manual

You can adjust the transmission rate by the second switch of SW3.
* To increase the normal baud rates by eight times, (e.g. if we set the baud
rate as 115.2K bps in software, then the actual hardware baud rate will be
increased to 921.6K bps), set switch 2 of SW3 to “on”.

Table 2.2: IRQ Setting via Switch 1 at SW3

Switch 1 at SW3 setting

Function

Share IRQ (default)

Independent IRQ

Note:

Please Refer to Figure A.3 for location of SW3

Note: After changing the jumper, please also adjust the IRQ

through the device manager software for the new set-
tings to work properly. (Refer to UNO Serial Port Instal-
lation Guide in the CD, steps 7 ~ 10)

Table 2.3: Transmission Rate (Switch 2 at SW3)

Switch 2 at SW3 setting

Function

Speed x 8*

Speed x 1 (default)

Note: Only COM3 and COM4 can adjust the transmission rate.