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EPIA-E900 User Manual
21
2.2.6.
CMOS Battery Connector
The mainboard is equipped with onboard CMOS battery connector used for connecting the external
cable battery that provides power to the CMOS RAM. If disconnected all configurations in the CMOS
RAM will be reset to factory defaults. The connector pinout is shown below.
Figure 22: CMOS battery connector diagram
Pin
Signal
1
+3.3VBAT
2
GND
Table 15: CMOS battery connector pinout
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