Asus Pro Q670M-CE D4-CSM Pro Q670M-CE D4 Users Manual English - Page 16

18. M.2 slot (Key E) This slot allows you to install an M.2 (WIFI) module. The M.2 Wi-Fi module is purchased separately. 19. Mono-out header This internal Mono-out header allows connection to an internal, low power speaker for basic system sound capability. The subsystem is capable of driving a speaker load of 3 Watts RMS at 4 Ohms. MONO-OUT PIN 1 R_OUTR_OUT+ +5V GND GND Speaker Out 20. Speaker header The Speaker header is for the chassis-mounted system warning speaker. The speaker allows you to hear system beeps and warnings. SPEAKER PIN 1 21. System Panel header The System Panel header supports several chassis-mounted functions. • System Power LED header (+PWR_LED-) The 2-pin header allows you to connect the System Power LED. The System Power LED lights up when the system is connected to a power source, or when you turn on the system power, and blinks when the system is in sleep mode. PWR_LED+ PWR_LEDPWR GND F_PANEL +PWR_LED- PWR_BTN PIN 1 HDD_LED+ HDD_LED- Ground HWRST# (NC) • Storage Device Activity LED header (+HDD_LED-) The 2-pin header allows you to connect the Storage Device Activity +HDD_LED- RESET LED. The Storage Device Activity LED lights up or blinks when data is read from or written to the storage device or storage device add-on card. • Power Button/Soft-off Button header (PWR_BTN) The 3-1 pin header allows you to connect the system power button. Press the power button to power up the system, or put the system into sleep or soft-off mode (depending on the operating system settings). • Reset button header (RESET) The 2-pin header allows you to connect the chassis-mounted reset button. Press the reset button to reboot the system. 1-6 Chapter 1: Product Introduction