
IMBA-C604EN ATX Motherboard
Pin Description Pin Description
19 GND 20 NC
21 +5V 22 +5V
23 +5V 24 GND
Table 3-3: ATX Power Connector Pinouts
3.2.2 Battery Connector
CN Label: BAT1
CN Type:
Battery holder
CN Location: See Figure 3-3
This is connected to the system battery. The battery provides power to the system clock to
retain the time when power is turned off.
Figure 3-3: Battery Connector Locations
3.2.3 Chassis Intrusion Connector
CN Label: CASE_OPEN1
CN Type:
2-pin wafer
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