Users Manual

2-26 Chapter 2: Hardware information

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

This connector is for the storage add-on card cable connected to the SCSI or

SATA add-on card. The read or write activities of any device connected to the

SCSI or SATA add-on card causes the front panel LED to light up.

KFSN4-DRE Series storage card activity LED connector

HDLED1

PIN1

ADD_IN_CARD-

5. 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 specication that

supports up to 480 Mbps connection speed.

KFSN4-DRE Series USB connector

USB34

Power

PIN1

USB PortA(-)

USB PortA(+)

GND

Power

USB PortB(-)

USB PortB(+)

GND