Cpu_fan1, sys_fan1: 风扇接口 – MSI B450M-A PRO MAX AM4 Micro-ATX Motherboard User Manual
Page 115
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15
组件概述
组件概述
CPU_FAN1, SYS_FAN1: 风扇接口
模式风扇接口使用速率控制信号提供恒定的 12V 输出和调节风扇速率。当您将一个 3 针
脚 (非-PWM) 风扇插入到 PWM 模式下风扇接口时,风扇速率将始终保持在 100%,这可
能会产生很大噪声。
调整风扇速率
您可以在
BIOS > HARDWARE MONITOR
中调整风扇速率。
提供风扇速率渐变梯度点,允许您以 CPU 的温度来调节风扇
速率。
默认 PWM 模式风扇接口
PWM 模式针脚定义
1
Ground
2
+12V
3
Sense
4 Speed Control Signal
1
SYS_FAN1
1
CPU_FAN1
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