Atx 20-Pin Power Connector: Jatxpwr2; Atx 12V Power Connector: Jatxpwr1; Aux Power Connector: Jauxpwr1 - Biostar M7TTB User Manual

Chapter 1

1.6.2 ATX 20-pin Power Connector: JATXPWR2

This connector supports the power button on-board.
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
1
2
3
4
5
6
7
8
9
10

1.6.3 ATX 12V Power Connector: JATXPWR1

PIN
1
2

1.6.4 AUX Power Connector: JAUXPWR1

PIN
1
2
3
PIN
+3.3V 11
+3.3V 12
Ground 13
+5V 14
Ground 15
+5V 16
Ground 17
PW_OK 18
5V_SB 19
+12V 20
Assignment PIN
+12V 3
+12V 4
Assignment PIN
Ground 4
Ground 5
Ground 6
1-19
Motherboard Description
Using the ATX power
Assignment
+3.3V
-12V
Ground
PS_ON
Ground
Ground
Ground
-5V
+5V
+5V
Assignment
Ground
Ground
Assignment
+3.3V
+3.3V
+5V