AXIOMTEK SBC86831 Series, User Manual

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SBC86831 Series All-In-One Mini ITX Board User’s Manual
Jumpers and Connectors 9
2.3 Jumper Settings
Proper jumer settings configure the SBC86831 to meet your application
purpose. We are herewith listing a summary table of all jumpers and
default settings for onboard devices, respectively.
Here is a list of jumper settings
：
Jumper Default Setting Jumper Setting
JP1 COM1 Mode Select: RS-232 Short 1-2
JP2 COM1 Mode Select: RS-232 Short 3-5,4-6
JP3 COM1 Mode Select: RS-232 Short 3-5,4-6
CN2 Pin 1: DCD Short 7-9
JP4
COM2 Mode
Select
CN2 Pin 9: RI Short 8-10
CN3 Pin 1: DCD Short 7-9
JP5
COM3 Mode
Select
CN3 Pin 9: RI Short 8-10
CN4 Pin 1: DCD Short 7-9
JP6
COM4 Mode
Select
CN4 Pin 9: RI Short 8-10
CN7 Pin 1: DCD Short 7-9
JP7
COM1 Mode
Select
CN7 Pin 8: RI Short 8-10
JP8 CPU Frequency Select: Auto Short 1-2
JP9 CPU Frequency Select: Auto Short 1-2
JP10 CPU Frequency Select: Auto Short 1-2
JP11 LVDS Voltage select : 3.3V Short 1-2
JP12 SDVO CARD Select : Enable Short 2-3
JP14 Clear CMOS Setting : Normal Short 1-2
JP15 TPM Function (Optional) Short 1-2
JP16 Compact Flash Select : Slave (Optional) Short 1-2
JP17
Compact Flash Power Select : 3.3V
(Optional)
Short 1-2
JP18 USB2 Voltage select : 5V_SBY Short 1-2
JP19 USB1 Voltage select : 5V_SBY Short 1-2