Asus PRIME B650M-A Manual page 16

14. COM Port header
The COM (Serial) Port header allows you to connect a COM port module.
Connect the COM port module cable to this header, then install the module
to a slot opening on the system chassis.
The COM port module is purchased separately.
15. Front Panel Audio header
The Front Panel Audio header is for a chassis-mounted front panel audio
I/O module that supports HD Audio. 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-definition
audio capability.
16. S/PDIF Out header
The S/PDIF Out header allows you to connect the Sony/Philips Digital Interface
(S/PDIF) Out module.
The S/PDIF module is purchased separately.
17. Speaker header
The 4-pin header is for the chassis-mounted system warning speaker. The
speaker allows you to hear system beeps and warnings.
18. 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.
The TPM module is purchased separately.
1-6
COM
PIN 1
AAFP
PIN 1
HD-audio-compliant
pin definition
SPDIF_OUT
SPEAKER
PIN 1
TPM
Chapter 1: Product Introduction
PIN 1