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Chapter 1: Product Introduction
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.
•
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].
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 enhances network security,
protects digital identities, and ensures platform integrity.
The SPI TPM module is purchased separately.
PIN 1
DCD TXD GND RTS
RI
RXD DTR DSR CTS
COM
AAFP
AGND NC SENSE1_RETUR
SENSE2_RETUR
PORT1 L PORT1 R PORT2 R
SENSE_SEND
PORT2 L
HD-audio-compliant
pin definition
SPDIF_OUT
+5V
SPDIFOUT
GND
SPEAKER
+5V
GND
GND
Speaker Out
PIN 1
TPM
PIN 1
VCCSPI
S_PLTRST#
F2_SPI_CS1#_R
+3V_SPI
F_SPI_CS0#_R
T_SPI_MISO
F_SPI_HOLD#_R
S_SPI_TPM_IRQ#
S_SPI_TPM_CS2#
F_BIOS_WP#_R
GND
T_SPI_CLK
T_SPI_MOSI