Asus PRIME B450M-GAMING II Manual page 14

12. COM Port header
This header is for a serial (COM) port. Connect the serial port module cable to
this header, then install the module to a slot opening at the back of the system
chassis.
13. 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.
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14. 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.
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.
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
certificates, passwords, and data. A TPM system also helps enhance network
security, protects digital identities, and ensures platform integrity.
17. 10-1 pin System Panel header
This header supports several chassis-mounted functions.
• 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 sleep
mode.
1-4
We recommend that you connect a high-definition front panel audio
module to this header to avail of the motherboard's high-definition
audio capability.
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].
PIN 1
HD-audio-compliant
pin definition
SPDIF_OUT
SPEAKER
PIN 1
F_PANEL
+PWR_LED-
PIN 1
+HDD_LED-
Chapter 1: Product Introduction
COM
AAFP
TPM
PIN 1
PWR_BTN
RESET