Atx_Pwr1, Cpu_Pwr1: Power Connectors; M2_1: M.2 Slot (Key M) - MSI B450M PRO-M2 MAX Manuel D'utilisateur

ATX_PWR1, CPU_PWR1: Power Connectors

These connectors allow you to connect an ATX power supply.
12
1
8 5
4 1
Important
Make sure that all the power cables are securely connected to a proper ATX power
supply to ensure stable operation of the motherboard.

M2_1: M.2 Slot (Key M)

Please install the M.2 solid-state drive (SSD) into the M.2 slot as shown below.
2
1
12
Overview of Components
24
ATX_PWR1
13
CPU_PWR1
30°
1 +3.3V
2 +3.3V
3 Ground
4 +5V
5 Ground
6 +5V
7 Ground
8 PWR OK
9 5VSB
10 +12V
11 +12V
12 +3.3V
1 Ground
2 Ground
3 Ground
4 Ground
3
13 +3.3V
14 -12V
15 Ground
16 PS-ON#
17 Ground
18 Ground
19 Ground
20 Res
21 +5V
22 +5V
23 +5V
24 Ground
5 +12V
6 +12V
7 +12V
8 +12V
4