ASRock B550M Pro4 User Manual - Page 37

Warning: Please make, sure that the power cable, connected is for the CPU, and not the graphics,

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B550M Pro4 ATX 12V Power 8 5 Connector (8-pin ATX12V1) 4 1 (see p.7, No. 1) Serial Port Header (9-pin COM1) (see p.7, No. 27) RRXD1 DDTR#1 DDSR#1 CCTS#1 1 RRI#1 RRTS#1 GND TTXD1 DDCD#1 This motherboard provides an 8-pin ATX 12V power connector. To use a 4-pin ATX power supply, please plug it along Pin 1 and Pin 5. *Warning: Please make sure that the power cable connected is for the CPU and not the graphics card. Do not plug the PCIe power cable to this connector. This COM1 header supports a serial port module. SPI TPM Header (13-pin SPI_TPM_J1) (see p.7, No. 21) SPI_DQ3 +3.3V Dummy CLK SPI_MOSI RST# TPM_PIRQ 1 SPI_TPM_CS# GND RSMRST# SPI_MISO SPI_CS0 SPI_DQ2 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. English 31

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English
31
B550M Pro4
ATX 12V Power
Connector
(8-pin ATX12V1)
(see p.7, No. 1)
°is motherboard
provides an 8-pin ATX
12V power connector. To
use a 4-pin ATX power
supply, please plug it along
Pin 1 and Pin 5.
*Warning: Please make
sure that the power cable
connected is for the CPU
and not the graphics
card. Do not plug the
PCIe power cable to this
connector.
Serial Port Header
(9-pin COM1)
(see p.7, No. 27)
°is COM1 header
supports a serial port
module.
SPI TPM Header
(13-pin SPI_TPM_J1)
(see p.7,
No. 21)
°is connector supports SPI
Trusted Platform Module (TPM)
system, which can securely store
keys, digital certificates, pass-
words, and data. A TPM system
also helps enhance network
security, protects digital
identities, and ensures platform
integrity.
1
SPI_DQ3
+3.3V
SPI_DQ2
SPI_CS0
Dummy
CLK
SPI_MISO
SPI_MOSI
GND
SPI_TPM_CS#
RST#
RSMRST#
TPM_PIRQ
4
1
8
5
CCTS#1
RRTS#1
DDSR#1
DDTR#1
RRXD1
GND
TTXD1
DDCD#1
1
RRI#1