User Guide

Chapter 4: Motherboard Information
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3. Hard disk activity LED connector (4-pin HDLED1)
This LED connector is for the storage add-on card cable connected to the SATA or
SAS add-on card. The read or write activities of any device connected to the SATA or
SAS add-on card causes the front panel LED to light up.
4. USB 2.0 connector (10-1 pin USB78)
These connectors are for USB 2.0 ports. Connect the USB module cables to these
connectors. These USB connectors comply with USB 2.0 specication that supports up
to 480 Mbps connection speed.