Cpu_Pwr1~2, Atx_Pwr1: Power Connectors; V-Check Points - MSI MEG Z390 ACE Quick Start Manual

CPU_PWR1~2, ATX_PWR1: Power Connectors

These connectors allow you to connect an ATX power supply.
12 24
1 13
Important
Make sure that all the power cables are securely connected to a proper ATX power
supply to ensure stable operation of the motherboard.

V-Check Points

These voltage checkpoints are used to measure the current system voltages. A
multimeter (not included) will be required to check voltages. To measure voltage,
place test leads on the GND (screw mounting hole) and a V-Check Point. Please refer
to the manual of your multimeter for more information.
38
Overview of Components
1
2
3
4
1
2
3
4
5
6
ATX_PWR1
7
8
9
10
11
12
8 5
CPU_PWR1/ CPU_PWR2
4 1
Ground 5
Ground 6
Ground 7
Ground 8
+3.3V 13
+3.3V 14
Ground 15
+5V 16
Ground 17
+5V 18
Ground 19
PWR OK 20
5VSB 21
+12V 22
+12V 23
+3.3V 24
PCH
VCCIO
VCCSA
DDR
CPU
+12V
+12V
+12V
+12V
+3.3V
-12V
Ground
PS-ON#
Ground
Ground
Ground
Res
+5V
+5V
+5V
Ground