5 . Hard disk activity LED connector (4-pin HDLED1)

This connector supplies power to the hard disk activity LED. The read or write activities of any device connected to the primary/secondary IDE connectors or the SATA connectors cause this LED to light up.

HDLED1

1

SCSI_ACTLED+

SCSI_ACTLED-

SCSI_ACTLED-

SCSI_ACTLED+

NCL-DS Series SCSI/SATA card activity LED connector

6 . USB connector (10-1 pin USB34)

This connector is for USB 2.0 ports. Connect the USB module cable to this connector, then install the module to a slot opening at the back of the system chassis. This USB connector complies with USB 2.0 specification that supports up to 480 Mbps connection speed.

NCL-DS Series USB connector

GND USB PortA(+)

USB PortA(-)

Power

USB34

 

1

 

 

NC GND PortB(+)

PortB(-)

Power

USB

USB

 

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Chapter 2: Hardware information