11
Installing the Motherboard
JCFAN1/JSFAN2: FAN Power Connectors
1 GND Ground
2 +12V Power +12V
3 FAN RPM rate sense Sensor
Pin Signal Name Function
JATXPWR1: ATX 20-pin Power Connector
1 +3.3V 11 +3.3V
2 +3.3V 12 -12V
10 +12V 20 +5V
3 Ground 13 Ground
4 +5V 14 PS ON#
5 Ground 15 Ground
6 +5V 16 Ground
7 Ground 17 Ground
8 PW_OK 18 -5V
9 Standby Voltage +5V 19 +5V
Pin Signal Name Pin Signal Name
JATXWR2: ATX 12V Power Connector
4 Ground
3 Ground
2 +12V
1 +12V
Pin Signal Name
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