
Board Features
EPM-31 Hardware Reference Manual
27
B
ATTERY
P
OWER
O
PTIONS
The battery circuit on the EPM-31 provides power for the Real-Time Clock (RTC) and power to
store BIOS Setup utility settings in non-volatile RAM.
The EPM-31 has multiple options for providing battery power:
Use an external battery, connected to the board through the J8 external battery connector.
Use the battery supplied with the CBR-4005B paddleboard
Figure 9 shows the location and pin orientation of the external battery connector.
Figure 9. Location and Pin Orientation of the External Battery Connector
C
ABLING
If your application requires a custom cable, the following information will be useful:
EPM-31 Board Connector
Mating Connector
Molex 501331-0207
Molex 501330-0200