Atx_Pwr1, Cpu_Pwr1: Power Connectors; Jcom1: Serial Port Connector - MSI B250M PRO-VH Mode D'emploi

ATX_PWR1, CPU_PWR1: Power Connectors

These connectors allow you to connect an ATX power supply.
12 24
ATX_PWR1
13
8 5
CPU_PWR1
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.

JCOM1: Serial Port Connector

This connector allows you to connect the optional serial port with bracket.
2 10
1
9
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
1 DCD
3 SOUT
5 Ground
7 RTS
9 RI
+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
Ground 5
Ground 6
Ground 7
Ground 8
2
4
6
8
10
+3.3V
-12V
Ground
PS-ON#
Ground
Ground
Ground
Res
+5V
+5V
+5V
Ground
+12V
+12V
+12V
+12V
SIN
DTR
DSR
CTS
No Pin
Overview of Components
11