Atx 20-Pin Power Connector: Jatxpwr1; Atx 12V Power Connector: Jatxpwr2; Dimm Power Voltage Selection: Jdimmpwr1 - Biostar M7SXG User Manual

Chapter 1

1.6.2 ATX 20-pin Power Connector: JATXPWR1

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: JATXPWR2

PIN
1
2

1.6.4 DIMM Power Voltage Selection: JDIMMPWR1

Pin
1-2
3-4
5-6
7-8
* It's strongly recommended to set DDR DIMM voltage in default setting 2.55V.
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
DDR DIMM Voltage
+2.55V (Default)
+2.65V
+2.75V
+2.85V
1-19
Motherboard Description
Using the ATX power
Assignment
+3.3V
-12V
Ground
PS_ON
Ground
Ground
Ground
-5V
+5V
+5V
Assignment
Ground
Ground