Asus PRIME A520M-A Users Manual English - Page 12

13. S/PDIF Out header This header is for an additional Sony/Philips Digital Interface (S/PDIF) port. Connect the S/PDIF Out module cable to this header, then install the module to a slot opening at the back of the system chassis. +5V SPDIFOUT GND SPDIF_OUT F_SPI_HOLD#_R T_SPI_MISO F_SPI_CS0#_R +3V_SPI NC S_PLTRST# VCCSPI 14. 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 certificates, passwords, and data. A TPM system also helps enhance PIN 1 network security, protects digital identities, and ensures platform integrity. SPI_TPM T_SPI_MOSI T_SPI_CLK GND F_BIOS_WP#_R S_SPI_TPM_CS2# S_SPI_TPM_IRQ# 15. 20-5 pin System Panel header This header supports several chassis-mounted functions. • System power LED (2-pin PLED) 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 sleep mode. • Hard disk drive activity LED (2-pin HDD_LED) PANEL PLED PWRSW SPEAKER PLED+ PLEDPWRBTN# GND +5V Ground Ground Speaker This 2-pin header is for the HDD Activity LED. Connect the HDD Activity LED cable to this header. The HDD LED lights up or flashes when data is read from or written to the HDD. • System warning speaker (4-pin SPEAKER) PIN 1 HDD_LED+ HDD_LED- Ground RSTCON# NC PLED+ PLED- This 4-pin header is for the chassis-mounted system warning speaker. The speaker allows you to hear system beeps and warnings. HDD_LED RESET PLED • ATX power button/soft-off button (2-pin PWRSW) * Requires an ATX power supply This header is for the system power button. Pressing the power button turns the system on or puts the system in sleep or soft-off mode depending on the operating system settings. Pressing the power switch for more than four seconds while the system is ON turns the system OFF. • 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. 1-4 Chapter 1: Product Introduction