Elitegroup H81H3-M3S/TPM (V1.0) - Manual (Page 21)

Chapter 2
17
H81H3-M3S USER MANUAL
The motherboard has two USB 2.0 headers supporting four USB 2.0 ports.
Additionally, some computer cases have USB ports at the front of the case. If you
have this kind of case, use auxiliary USB connector to connect the front-mounted
ports to the motherboard.
5. F_USB1~2: Front Panel USB 2.0 Headers
Please make sure that the USB cable has the same pin assignment as
indicated above. A different pin assignment may cause damage or system
hang-up.
6. TPM_TCM:Trusted Platform Module Header/ Terminal To ComputerMultiplexer
(Optional)
Trusted platform module(TPM) is a published specification detailing a
microcontroller that can store secured information, and implementations of that
specification.