ECS K7S5A Pro - Connecting Case Components; Power Supply and Fan Connectors; Front Panel and LED Connections

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After you have installed the mainboard into a case, you can begin connecting
the mainboard components. Refer to the following:
1. Connect the standard
power supply connec-
tor to ATX1.
2. Connect the CPU
cooling fan cable to
CPUFAN.
3. If there is a cooling
fan installed in the
system chassis,
connect the cable
from the cooling fan to
the SYSFAN fan
power connector on
the mainboard.
4. Connect the case
LAN LED cable to
JP2.
5. Connect the case
switches and indicator
LEDs to the FP1.
6. Connect the case
speaker cable to
SPK1.
ATX1: ATX 20-pin Power Connector
Pin Signal Name Pin Signal Name
1 +3.3V 11 +3.3V
2 +3.3V 12 -12V
3 Ground 13 Ground
4 +5V 14 PS ON#
5 Ground 15 Ground
6 +5V 16 Ground
7 Ground 17 Ground
8 PWRGD 18 +5V
9 +5VSB 19 +5V
10 +12V 20 +5V
CPUFAN/SYSFAN: FAN Power Connectors
Pin Signal Name Function
1 GND System Ground
2 +12V Power +12V
3 Sense Sensor
9