Chapter
1
Motherboard
Description
1-11
1.3.4 ATX 20-pin Power Connector (JATXPWR1)
This connector supports the power button on-board. Using the ATX power
supply, functions such as Modem Ring Wake-Up and Soft Power Off are 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 No.
Assignment
Pin No.
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