Asus TUF GAMING B550M WI-FI ZAKU II TUF GAMING B550M-ZAKU WI-FI Users Manual E - Page 15
Power button/Soft-off button 2-pin PWR_BTN, System power LED 2-pin +PWR_LED
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AGND NC SENSE1_RETUR SENSE2_RETUR 14. Front panel audio header This header is for a chassis-mounted front panel audio I/O module that supports HD audio standard. Connect one end of the front panel audio I/O module cable to this header. • We recommend that you connect a high-definition front panel audio module to this header to avail of the motherboard's high- AAFP definition audio capability. PORT1 L PORT1 R PORT2 R SENSE_SEND PORT2 L • If you want to connect a high-definition front panel audio module to this header, set the Front Panel Type item in the BIOS setup to [HD Audio]. By default, this header is set to [HD Audio]. HD-audio-compliant pin definition 15. Speaker header The 4-pin header is for the chassis-mounted system warning speaker. The speaker allows you to hear system beeps and warnings. SPEAKER +5V GND GND Speaker Out PIN 1 F_SPI_HOLD#_R T_SPI_MISO F_SPI_CS0#_R +3V_SPI F2_SPI_CS1#_R S_PLTRST# VCCSPI 16. SPI TPM header This header supports a Trusted Platform Module (TPM) system with a Serial Peripheral Interface (SPI), allowing you to securely store keys, digital PIN 1 certificates, passwords, and data. A TPM system also helps enhance TPM network security, protects digital identities, and ensures platform integrity. T_SPI_MOSI T_SPI_CLK GND F_BIOS_WP#_R S_SPI_TPM_CS2# S_SPI_TPM_IRQ# 17. 10-1 pin System Panel header F_PANEL This header supports several chassis-mounted functions. +PWR_LED- PWR_BTN PWR_LED+ PWR_LEDPWR GND • System power LED (2-pin +PWR_LED-) This 2-pin header is for the system power LED. Connect the chassis power LED cable to this header. The system power LED lights up when you turn on the system power, and blinks when the system is in PIN 1 sleep mode. HDD_LED+ HDD_LED- Ground HWRST# (NC) • Hard disk drive activity LED (2-pin +HDD_LED-) This 2-pin header is for the HDD Activity LED. Connect the HDD +HDD_LED- RESET Activity LED cable to this header. The HDD LED lights up or flashes when data is read from or written to the HDD. • Power button/Soft-off button (2-pin PWR_BTN) This header is for the system power button. • Reset button (2-pin RESET) This 2-pin header is for the chassis-mounted reset button for system reboot without turning off the system power. 18. Q-LEDs The Q-LEDs check key components (CPU, DRAM, VGA, and booting devices) during the motherboard booting process. If an error is found, the critical component's LED stays lit up until the problem is solved. ASUS TUF GAMING B550M-ZAKU (WI-FI) 1-5