Asus TUF GAMING B450M-PRO S Users Manual English - Page 15

F_SPI_HOLD#_R T_SPI_MISO F_SPI_CS0#_R +3V_SPI F2_SPI_CS1#_R S_PLTRST# VCCSPI 15. 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 TPM PIN 1 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# 16. 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. 17. 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. The Q-LEDs provide the most probable cause of an error code as a starting point for troubleshooting. The actual cause may vary from case to case. 18. BIOS FlashBackTM LED The FlashBack™ LED lights up or blinks to indicate the status of the BIOS FlashBack™. Scan the QR code for more information on BIOS FlashBackTM function. ASUS TUF GAMING B450M-PRO S 1-5