Chapter
1
Motherboard
Description
1-25
1.6.2 ATX 20-pin Power Connector: JATXPWR1
This connector supports the power button on-board. Using the ATX power
supply, function such as Soft Power Off is supported on this motherboard. This
power connector supports instant power-on functionality, which means that the
system will boot up instantly when the power connector is inserted on the board.
PIN Assignment PIN Assignment
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 PW_OK 18
-5V
9 5V_SB 19 5V
10 12V 20 5V
1.6.3 ATX 12V Power Connector: JATXPWR2
PIN Assignment
PIN Assignment
1 12V 3
Ground
2 12V 4
Ground