Asus Z9PE-D16-10G/DUAL - Manual (Page 59)

Z9PE-D16-10G Series 2-39
8. Serial port connector (10-1 pin COM1)
This connector is for the serial COM port. Connect the serial port module cable to one
of these connectors, then install the module to a slot opening at the back of the system
chassis.
9. Trusted Platform Module connector (20-1 pin TPM1)
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.