1-5
14. 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.
15. 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].
16. M.2 slot (Key E)
The M.2 slot (Key E) allows you to install an M.2 Wi-Fi module (E-key, type 2230).
Wi-Fi module is sold separately.
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.
18. System Panel header
This header supports several chassis-mounted functions.
•
System power LED (2-pin PLED)
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.
•
Hard disk drive activity LED (2-pin HDD_LED)
This 2-pin header is for the HDD Activity LED. Connect the HDD
Activity LED cable to this header. The HDD LED lights up or
flashes when data is read from or written to the HDD.
•
System warning speaker (4-pin SPEAKER)
This 4-pin header is for the chassis-mounted system warning speaker. The speaker
allows you to hear system beeps and warnings.
COM
PIN 1
DCD TXD GND RTS
RI
RXD DTR DSR CTS
AAFP
AGND NC SENSE1_RETUR
SENSE2_RETUR
PORT1 L PORT1 R PORT2 R
SENSE_SEND
PORT2 L
HD-audio-compliant
pin definition
TPM
PIN 1
T_SPI_MOSI T_SPI_CLK
GND
F_BIOS_WP#_R
S_SPI_TPM_CS2# S_SPI_TPM_IRQ#
F_SPI_HOLD#_R T_SPI_MISO F_SPI_CS0#_R +3V_SPI F2_SPI_CS1#_R S_PLTRST# VCCSPI
PLED+ PLED- PWRBTN# GND
+5V Ground Ground Speaker
HDD_LED-
Ground
RSTCON#
NC
PLED+
PLED-
PIN 1
PLED
PLED
SPEAKER
PANEL
HDD_LED
PWRSW
RESET
* Requires an ATX power supply
ProArt B660-CREATOR D4
