ASROCK B550D4ID-2T/CG User Manual page 44

PSU SMBus Header
(5-pin PSU_SMB1)
Baseboard Management
Controller SMBus Header
(5-pin BMC_SMB1)
Chassis Speaker Header
(4-pin SPEAKER1)
SPI TPM Header
(13-pin TPM_BIOS_PH1)
TPM Header
(13-pin TPM1)
38
ALERT
SMBCLK +3V
1
SMBDATA
GND
BMC_SMB_PRESENT_1_N
Power
BMC_SMBCLK7
GND
BMC_SMBDATA7
DUMMY SPEAKER
1
+5V DUMMY
SPI_DQ3
SPI_PWR
Dummy
CLK
SPI_MOSI
RST#
TPM_PIRQ
1
SPI_TPM_CS#
GND
RSMRST#
SPI_MISO
SPI_CS0
SPI_DQ2
1
PSU SMBus monitors the
status of the power supply, fan
and system temperature.
The header is used for the
SMBUS devices.
Please connect the chassis
speaker to this header.
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.
This connector supports
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.