Asus Z9PH-D16 - Manual (Page 49)

ASUS Z9PH-D16 Series 2-31
10. Power Supply SMBus connector (6-1 pin PSUSMB1)
This connector allows you to connect SMBus (System Management Bus) to
the power supply unit to read PSU information. Devices communicate with an
SMBus host and/or other SMBus devices using the SMBus interface.
BMC_SYNC
12C1SCL_PB
GND
PSU_ALERT#
12C1SDA_PB
9. TPM connector (20-1 pin TPM)
This connector supports a 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.