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• J10 CPU Fan Connector
1.
N/C
2.
12V
3.
GND
3.12 External Battery Connector
The ROCKY-558EV built-in a 3V/850mAH industrial Li-battery
for CMOS and RTC backup. When normal operation will not
need external battery to backup the data.
• J4 : External Battery Connector
PIN NO.
1
2
3
4
Please note the J4 pin 2-3 should be short for the internal
battery operation.
4
DESCRIPTION
External Battery +
NC
N/C
Ground
19
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