SOYO SY-5EHM Super 7 User's Manual & Technical Reference page 34

Hardware Setup
Warning: Follow these precautions to preserve your
mainboard from any remnant currents when connecting to
ATX power supply:
Turn off the power supply and unplug the power cord
of the ATX power supply before connecting to ATX PW
connector.
The mainboard requires a power supply with at least 200 Watts and
a "power good" signal. Make sure the ATX power supply can take at
least 10 mA mp* load on the 5V Standby lead (5VSB) to meet the
standard ATX specification.
* Note: If you use the Wake-On-LAN (WOL) function, make sure the
ATX power supply can support at least 720 mAmp on the 5V
Standby lead (5VSB).
Please install the ATX power according to the following pin
assignment:
ATX Power
12V 5V
5VSB 5V
PW-0K -5V
GND GND
5V GND
GND GND
5V PS-ON
GND GND
3.3V -12V
3.3V 3.3V
Step 14. AT Power Supply
If you are using AT power, plug the dual 6-pin headers from the
power directly into the 12-pin male AT Power connector on the
mainboard. Make sure the black leads of the 6-pin AT power
headers are in the center.
Ø
Pay special care to the directionality.
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SY-5EHM/5EH5