Asus Prime B460I-PLUS Manual page 12

13. 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.
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.
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15. M.2 slot (Key E)
This slot allows you to install an M.2 Key E Wi-Fi and Wi-Fi based combo device.
Refer to Section 1.5 Wi-Fi card installation for details.
16. Speaker header
The 4-pin header is for the chassis-mounted system warning speaker. The
speaker allows you to hear system beeps and warnings.
17. 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.
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].
COM
PIN 1
AAFP
HD-audio-compliant
pin definition
SPEAKER
Speaker Out
TPM
F_SPI_HOLD#_R
T_SPI_MISO
T_SPI_MOSI
F_SPI_CS0#_R
T_SPI_CLK
+3V_SPI
GND
F2_SPI_CS1#_R
F_BIOS_WP#_R
S_PLTRST#
S_SPI_TPM_CS2#
VCCSPI
S_SPI_TPM_IRQ#
PIN 1
Chapter 1: Product introduction
GND
GND
+5V
PIN 1