Chapter 2 – Hardware Information12Fanless Embedded Box PC BOXER-6951-A01-1010 / 32.1840.921-002.3.1 Clear CMOS (JP1)Normal (Default) Clear CMOS2.3.2 Auto Power Button (JP3)VR Mode (Default) PWM Mode2.3.3 COM2 RS232/ RS422/ RS485 selection (JP8)Pin Function1-2/ 3-4/ 5-6 RS232 (Default)3-4 RS4225-6 PS4851 2 31 2 31 2 31 2 3