Chapter 2
18
H77H2-M4 USER MANUAL
Unlike F_USB2 in this mainboard, F_USB1 supports EZ Charger technology, provides
3 times current than general USB port in off mode for USB devices. It is useful and
excellent, especially for the iPhone, iPad and iPod touch devices that need a large
amount of current for faster recharging within less time.
The motherboard has two USB 2.0 headers supporting four USB 2.0 ports. Addition-
ally, 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.
3. F_USB1~2: Front Panel USB 2.0 headers (F_USB1 supports EZ Charger)
Please make sure that the USB cable has the same pin assignment as indi-
cated above. A different pin assignment may cause damage or system hang-
up.
4. ME_UNLOCK: ME Unlock Header
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