MSI A55M-E45 V2 Manual page 23

JUSB1~2: USB 2.0 Expansion Connectors
This connector is designed for connecting high-speed USB peripherals such as USB
HDDs, digital cameras, MP3 players, printers, modems, and many others.
Important
Note that the VCC and GND pins must be connected correctly to avoid possible
damage.
JUSB3: USB 3.0 Expansion Connector (optional)
The USB 3.0 port is backwards compatible with USB 2.0 devices. It supports data
transfer rates up to 5Gbits/s (SuperSpeed).
Important
• Note that the VCC and GND pins must be connected correctly to avoid possible
damage.
• To use a USB 3.0 device, you must connect the device to a USB 3.0 port through
an optional USB 3.0 compliant cable.
23