Chapter 2
18
X77H2-A3 USER MANUAL
SATA3~6 connectors are used to support the Serial ATA 3.0Gb/s device, SATA1/2 con-
nectors support the Serial ATA 6.0Gb/s device, simpler disk drive cabling and easier
PC assembly. It eliminates limitations of the current Parallel ATA interface. But main-
tains register compatibility and software compatibility with Parallel ATA.
3. SATA1~6: Serial ATA connectors
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.
4. 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.