ASROCK B550 Phantom Gaming 4 Manual page 37

ATX 12V Power
Connector
(8-pin ATX12V1)
(see p.1, 3, No. 2)
ATX 12V Power
Connector
(4-pin ATX12V2)
(see p.1, 3, No. 3)
Serial Port Header
(9-pin COM1)
(see p.1, No. 27)
(see p.3, No. 29)
SPI TPM Header
(13-pin SPI_TPM_J1)
(see p.1, 3, No. 11)
36
8 5
4 1
RRXD1
DDTR#1
DDSR#1
CCTS#1
1
RRI#1
RRTS#1
GND
TTXD1
DDCD#1
SPI_DQ3
SPI_PWR
Dummy
CLK
SPI_MOSI
RST#
TPM_PIRQ
1
SPI_TPM_CS#
GND
RSMRST#
SPI_MISO
SPI_CS0
SPI_DQ2
This motherboard
provides a 8-pin ATX 12V
power connector. To use a
4-pin ATX power supply,
please plug it along Pin 1
and Pin 5.
Please connect an ATX
12V power supply to this
connector.
*The power supply plug
fits into this connector in
only one orientation.
This COM1 header
supports a serial port
module.
This connector supports SPI
Trusted Platform Module (TPM)
system, which can securely
store keys, digital certificates,
passwords, and data. A TPM
system also helps enhance
network security, protects digital
identities, and ensures platform
integrity.