16
** If you are using a 20-pin power plug, please refer to Figure1 for power supply
connection. Power plug form power supply and power connectors from
motherboard both adopt key design to avoid mistake installation. You can insert
the power plug into the connector with ease only in the right direction. If the
direction is wrong it is hard to fit in and if you make the connection by force if is
possible.
Figure1：20-pin power plug Figure 2：24-pin power plug
(2) ATX 12V Power Connector (8-pin block) : ATX12V
This is a new defined 8-pin connector that usually comes with ATX Power
Supply. The ATX Power Supply which fully supports LGA 1156 processor must
including this connector for support extra 12V voltage to maintain system power
consumption. Without this connector might cause system unstable because the
power supply can not provide sufficient current for system.
Pin 1
Pin 1
ROW1 ROW2
24-Pin
ROW1 ROW2
Pin 1
20-Pin
PIN ROW1 ROW2
1 3.3V 3.3V
2 3.3V -12V
3 GND GND
4 5V Soft Power On
5 GND GND
6 5V GND
7 GND GND
8 Power OK -5V
9 +5V (for Soft Logic) +5V
10 +12V +5V
11 +12V +5V
12 +3V GND