ASROCK PRO Series User Manual page 45

ATX 12V Power Connector
(8-pin ATX12V1) (see p.6, No. 1)
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.
*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.
SPI TPM Header
(13-pin SPI_TPM_J1) (see p.6, No. 15)
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.
42
ATX12V1
8 5
4 1
SPI_TPM_J1
SPI_DQ3
SPI_PWR
Dummy
CLK
SPI_MOSI
RST#
TPM_PIRQ
1
SPI_TPM_CS#
GND
RSMRST#
SPI_MISO
SPI_CS0
SPI_DQ2