Jaud1: Front Audio Connector; Cpu_Fan1, Pump_Fan1, Sys_Fan1~5: Fan Connectors - MSI PRO B660-A User Manual

JAUD1: Front Audio Connector

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

CPU_FAN1, PUMP_FAN1, SYS_FAN1~5: Fan Connectors

Fan connectors can be classified as PWM (Pulse Width Modulation) Mode or DC Mode.
PWM Mode fan connectors provide constant 12V output and adjust fan speed with
speed control signal. DC Mode fan connectors control fan speed by changing voltage.
Fan connector specifications
Connector
CPU_FAN1
PUMP_FAN1
SYS_FAN1~5
⚠
Important
You can adjust fan speed in BIOS > HARDWARE MONITOR.
Downloaded from ManualsNet.com
2 10
1 9
1
1
Default fan mode
PWM mode
PWM mode
DC mode
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Pin Signal Name
1 MIC L
3 MIC R
5 Head Phone R
7 SENSE_SEND
9 Head Phone L
PWM Mode pin definition
Pin Signal Name
1 Ground
3 Sense
DC Mode pin definition
Pin Signal Name
1 Ground
3 Sense
Max. current
2A
3A
1A
18
Pin Signal Name
2 Ground
4 NC
6 MIC Detection
8 No Pin
10 Head Phone Detection
Pin Signal Name
2 +12V
4 Speed Control Signal
Pin Signal Name
2 Voltage Control
4 NC
Max. power
24W
36W
12W