Com1 Data/Power Selection (Jp1); Com2 Data/Power Selection (Jp2); Restore Bios Optimal Defaults (Jp3); Auto Power On (Jp4) - AXIOMTEK CAPA830 User Manual

®
CAPA830 Intel Atom
2.3.1

COM1 Data/Power Selection (JP1)

The COM1 port has +5V level power capability on DCD and +12V level on RI by setting
this jumper. When this port is set to +5V or +12V level, please make sure its
communication mode is RS-232 (see section 4.4).
Function
Power: Set CN8 pin 1 to +5V level
Data: Set CN8 pin 1 to DCD (Default)
Power: Set CN8 pin 8 to +12V level
Data: Set CN8 pin 8 to RI (Default)
2.3.2

COM2 Data/Power Selection (JP2)

The COM2 port has +5V level power capability on DCD and +12V level on RI by setting
this jumper.
Function
Power: Set CN5 pin 1 to +5V level
Data: Set CN5 pin 1 to DCD (Default)
Power: Set CN5 pin 8 to +12V level
Data: Set CN5 pin 8 to RI (Default)
2.3.3

Restore BIOS Optimal Defaults (JP3)

Put jumper clip to pin 2-3 for a few seconds then move it back to pin 1-2. Doing this
procedure can restore BIOS optimal defaults.
Function
Normal (Default)
Restore BIOS optimal defaults
2.3.4

Auto Power On (JP4)

If JP4 is enabled for AC power input, the system will be automatically power on without
pressing soft power button. If JP4 is disabled for AC power input, it is necessary to
manually press soft power button to power on the system.
Function
Disable auto power on (Default)
Enable auto power on
10
TM
D2550/N2800/N2600 Processor 3.5" SBC
Setting
1-2 close
2-3 close
Setting
Close
Open
Setting
1-3 close
3-5 close
2-4 close
4-6 close
Setting
1-3 close
3-5 close
2-4 close
4-6 close
Board and Pin Assignments