26 chapter 2: hardware information – Asus KFSN4-DRE/SAS User Manual
Page 46
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-
NC
NC
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 specification that
supports up to 480 Mbps connection speed.
®
KFSN4-DRE Series USB connector
USB34
Powe
r
PIN1
USB PortA(-) USB PortA(+
)
GND
Powe
r
USB PortB(-) USB PortB(+
)
GND NC