Copyright © Vecow Co., Ltd. All Rights Reserved. SPC-2000 Series Ultra-compact Embedded System User
Manual
50
BIOS AND DRIVER
4.3.4
Serial Port 3 Configuration
Advanced->IT8786 Super IO Configuration->Serial Port 3 Configuration
Aptio Setup Utility – Copyright (C) 2013 American Megatrends, Inc.
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Serial Port 3 Configuration
Serial Port [Enabled]
Device Settings IO=3F8h; IRQ=4;
Change Settings [Auto]
Interface Mode [RS-232 Mode]
9-bit Multi-Drops Modes [Disable]
Figure 1-7: Serial Port 1Setup screen
Serial Port :
Enable or Disable Serial port.
Device Setting:
Current IO addresses and interrupts resource of Serial Port.
Change Settings :
Select another device setting.
Here have 6 options :
Auto
IO=3F8h; IRQ=4;
IO=3F8h; IRQ=3,4,5,6,7,8,9,10,11,12;
IO=2F8h; IRQ=3,4,5,6,7,8,9,10,11,12;
IO=3E8h; IRQ=3,4,5,6,7,8,9,10,11,12;
IO=2E8h; IRQ=3,4,5,6,7,8,9,10,11,12;
Interface Mode:
Select UART transfer and receive protocol
Here have 3 options :
RS-232 Mode
RS-422 Mode
RS-485 Mode
9-bit Multi-Drops Mode:
Enable/Disable Multi Drops mode to use the enhance function of RS-485 as multi device connection.