Jp4 setting function, Pin 1-2 short/closed, Normal – Intel MB820 User Manual
Page 13: Pin 2-3 short/closed, Jp5 setting function pin 1-2 short/closed, 12v pin 3-4 short/closed, Pin 5-6 short/closed, Jp6 setting function pin 1-2 short/closed
INSTALLATIONS
MB820 User’s Manual
9
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
Short/Closed
Normal
Pin 2-3
Short/Closed
Clear CMOS
JP5: COM3 RS232 +5V/+12V Power Setting
JP5
Setting
Function
Pin 1-2
Short/Closed
+12V
Pin 3-4
Short/Closed
Normal
Pin 5-6
Short/Closed
+5V
JP6: COM4 RS232 +5V/+12V Power Setting
JP6
Setting
Function
Pin 1-2
Short/Closed
+12V
Pin 3-4
Short/Closed
Normal
Pin 5-6
Short/Closed
+5V
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