INSTALLATIONS
10
MB879 User’s Manual
JP1: COM4 RS232 +5V / +12V Power Setting
Pin #
Signal Name JP1 Signal Name
Pin #
1 RI +12V 2
3 RI (Default) RI (Default) 4
5 RI
+5V 6
COM4 Settings: Pin 1-2 short = +12V, Pin 6-5 short = +5V, Pin 3-4
Standard COM Port
JP2: LVDS Panel Voltage Selection
JP2 LVDS Voltage
3.3V
5V
JP3: COM3 RS232 +5V / +12V Power Setting
Pin #
Signal Name JP3 Signal Name
Pin #
1 RI +12V 2
3 RI (Default) RI (Default) 4
5 RI
+5V 6
COM3 Settings: Pin 1-2 short = +12V, Pin 5-6 short = +5V, Pin 3-4
Standard COM Port
JP4: CPU FSB Selection
JP4 CPU FSB
400MHz
533MHz