Asus RS726Q-E7/RS12 - Manual (Page 67)

ASUS RS720Q-E7/RS12, RS724Q-E7/RS12, RS726Q-E7/RS12 4-15
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.
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.