ECS Z97 MACHINE User Manual page 24

3. CASE: Chassis Intrusion Detect Header
This detects if the chassis cover has been removed. This function needs a chassis
equipped with instrusion detection switch and needs to be enabled in BIOS.
4. F_USB: Front Panel USB 2.0 header
The motherboard has one USB 2.0 header supporting two 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.
F_USB 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 recharg-
ing within less time.
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.
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Z97-MACHINE USER MANUAL