SOYO SY-KT880 DRAGON 2 User Manual page 46

Hardware Installation
Note 3: The minimum recommended wattage is 400W for a
fully loaded system or 350W for a minimally loaded system,
the system might become unstable if power supply is not
enough
Note 4: The 4 pin ATX 12V must be connected to the motherboard.
Without this connector, the system cannot boot.
The KT880 DRAGON 2 requires a power supply that is approved by AMD,
of at least 350W. Go to
power supply. Make sure the ATX power supply can take at least 720 mA *
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 mA on the 5V Standby lead (5VSB).
Please install the ATX power according to the following pin assignment:
ATX Power
12V
5V
5VSB
5V
PW-OK
-5V
GND
GND
5V
GND
GND
GND
5V
PS-ON
GND GND
3.3V
-12V
3.3V
3.3V
FIG. 1
http://www.amd.com
Pay special care to the directionality.
+12V Power Connector
42
SY-KT880 DRAGON 2
for more info on approved
Pin1 Pin3
COM
+12VDC
FIG. 2