Intel MB820 user manual JP4 Clear Cmos Contents, JP5 COM3 RS232 +5V/+12V Power Setting

INSTALLATIONS

JP4: Clear CMOS Contents

Use JP4, a 3-pin header, to clear the CMOS contents. Note that the ATX-power connector should be disconnected from the motherboard before clearing CMOS.

JP4	Setting		Function
	Pin 1-2		Normal
	Short/Closed
	Pin 2-3	Clear CMOS
	Short/Closed
JP5: COM3 RS232 +5V/+12V Power Setting
JP5	Setting		Function
	Pin 1-2		+12V
	Short/Closed
	Pin 3-4		Normal
	Short/Closed
	Pin 5-6		+5V
	Short/Closed
JP6: COM4 RS232 +5V/+12V Power Setting

JP6	Setting	Function
	Pin 1-2	+12V
	Short/Closed
	Pin 3-4	Normal
	Short/Closed
	Pin 5-6	+5V
	Short/Closed

MB820 User’s Manual 9