Asus TS300-E9-PS4 User Guide - Page 74

Hard disk activity LED connector 4-pin HDLED1, USB 2.0 connector 10-1 pin USB1314; USB78

Page 74 highlights

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 USB1314; 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 specification that supports up to 480 Mbps connection speed. 4-16 Chapter 4: Motherboard Information

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Chapter 4: Motherboard Information
4-16
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 USB1314; 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 speciļ¬cation that supports up
to 480 Mbps connection speed.