
IMB-Q870-i2 microATX Motherboard
Page 20
Pin Description Pin Description
7 GND 19 GND
8 Power good 20 -5V
9 5VSB 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 Connector
CAUTION:
Risk of explosion if battery is replaced by an incorrect type. Only
certified engineers should replace the on-board battery.
Dispose of used batteries according to instructions and local
regulations.
CN Label: BAT1
CN Type:
Battery holder
CN Location:
See
Figure 3-3
CN Pinouts:
See
Table 3-4
A system battery is placed in the battery holder. The battery provides power to the system
clock to retain the time when power is turned off.
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