M2_2: M.2 Slot (Key M); Atx_Pwr1, Cpu_Pwr1: Power Connectors - MSI H270I GAMING PRO AC User Manual

M2_2: M.2 Slot (Key M)

Please install the M.2 solid-state drive (SSD) into the M.2 slot as shown below.
1
3
2
Important
Intel RST only supports PCIe M.2 SSD with UEFI ROM, does not support Legacy
®
ROM.

ATX_PWR1, CPU_PWR1: Power Connectors

These connectors allow you to connect an ATX power supply.
12 24
ATX_PWR1
1 13
3
1
CPU_PWR1
4
2
Important
Make sure that all the power cables are securely connected to a proper ATX power
supply to ensure stable operation of the motherboard.
4
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
5
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
3 +12V
4 +12V
Overview of Components
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