Owner manual
Industrial Motherboard IMBI-QM57
Chapter 2 Quick Installation Guide 2 - 11
2.12 COM1 +12V/+5V/RING Selection (JP5)
JP5 Function
1-2 +12V
3-4 Ring (Default)
5-6 +5V
2.13 COM2 +12V/+5V/RING Selection (JP6)
JP6 Function
1-2 +12V
3-4 Ring (Default)
5-6 +5V
2.14 Front Panel Connector (CN2)
Pin Signal Pin Signal
1 Power On Button (-) 2 Power On Button (+)
3 HDD LED(-) 4 HDD LED(+)
5 External Speaker (-) 6 External Speaker (+)
7 Power LED (-) 8 Power LED (+)
9 Reset Switch (-) 10 Reset Switch (+)
2.15 SPI Programming Connector (CN3)
Pin Signal Pin Signal
1 +3.3V_SPI 2 GND
3 SPI_CE# 4 SPI_CLK
5 SPI_SO 6 SPI_SI
7 NC 8 NC