IEI Integration IMBA-Q670 v2.01 - Manual (Page 35)

IMBA-Q670 ATX Motherboard
Page 19
Pin Description Pin Description
8 NC 20 NC
9 +5V 21 +5V
10 +12V 22 +5V
11 +12V 23 +5V
12 +3.3V 24 GND
Table 3-3: ATX Power Connector Pinouts
3.2.2 Battery Connectors
CAUTION:
Risk of explosion if battery is replaced by and incorrect type. Only
certified engineers should replace the on-board battery.
Dispose of used batteries according to instructions and local
regulations.
CN Label: BAT1, BT2
CN Type: Battery holder and 2-pin wafer
CN Location: See Figure 3-3
CN Pinouts: See Table 3-4
This is connected to the system battery. The battery provides power to the system clock to
retain the time when power is turned off.