Cpu_Pwr1~2, Atx_Pwr1: Power Connectors; M2_1~2: M.2 Slots (Key M) - MSI X299 PRO Quick Start Manual

CPU_PWR1~2, ATX_PWR1: Power Connectors

These connectors allow you to connect an ATX power supply.
12 24
ATX_PWR1
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.

M2_1~2: M.2 Slots (Key M)

8
4
1 Ground
2 Ground
3 Ground
4 Ground
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
⚽
Video Demonstration
Watch the video to learn how to Install M.2
module.
http://youtu.be/JCTFABytrYA
5
CPU_PWR1~2
1
5 +12V
6 +12V
7 +12V
8 +12V
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
Overview of Components
19