Hardware Installation
H. CMOS Clear (JP5)
In some cases the CMOS memory may contain wrong data, follow the steps
below to clear the CMOS memory.
1. Clear the CMOS memory by momentarily shorting pin 2-3 on jumper JP5.
This jumper can be easily identified by its white colored cap.
2. Then put the jumper back to 1-2 to allow writing of new data into the
CMOS memory.
CMOS Clearing
Clear CMOS Data
Short pin 2-3
for at least 5
JP5 Setting
seconds to
clear the
CMOS
Note: You must unplug the power cable from your power supply
connector when performing the CMOS Clear operation.
SY-P4I875P DRAGON 2 V1.0
CMOS Clear (JP5)
Pin Assignment
GND
RTC
NC
Short pin 1-2
to retain new
42
Retain CMOS Data
settings