Chapter 5 72
Connecting Components
CPU_FAN/SYS_FAN
Pin Signal Name Function
1 GND System Ground
2 +12V Power +12V
3 Sense Sensor
4
PWM CPU FAN control
PWR_FAN
Pin Signal Name Function
1 GND System Ground
2 +12V Power +12V
3 Sense Sensor
SPK1: Internal speaker
Pin Signal Name
1VCC
2Key
3 GND
4 Signal
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