MSI B450M-A PRO - Инструкция по эксплуатации - Страница 17

17

Overview of Components

Overview of Components

JAUD1: Front Audio Connector

This connector allow you to connect audio jacks on the front panel.

1

2

10

9

1

MIC L

2

Ground

3

MIC R

4

NC

5

Head Phone R

6

MIC Detection

7

SENSE_SEND

8

No Pin

9

Head Phone L

10

Head Phone Detection

JCOM1: Serial Port Connector

This connector allows you to connect the optional serial port with bracket.

1

2

10

9

1

DCD

2

SIN

3

SOUT

4

DTR

5

Ground

6

DSR

7

RTS

8

CTS

9

RI

10

No Pin

JBAT1: Clear CMOS (Reset BIOS) Jumper

There is CMOS memory onboard that is external powered from a battery located on 

the motherboard to save system configuration data. If you want to clear the system 

configuration, set the jumpers to clear the CMOS memory. 

Keep Data 

(default)

Clear CMOS/ Reset 

BIOS

Resetting BIOS to default values

1. 

Power off the computer and unplug the power cord.

2. 

Use a jumper cap to short JBAT1 for about 5-10 seconds.

3. 

Remove the jumper cap from JBAT1.

4. 

Plug the power cord and power on the computer.