User Manual

Table Of Contents
2-34
Chapter 2: Hardware Information
14. 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.
15. Chassis Intrusion (2-pin INTRUSION1)
These leads are for the intrusion detection feature for chassis with intrusion sensor or
microswitch.Whenyouremoveanychassiscomponent,thesensortriggersandsends
a high level signal to these leads to record a chassis intrusion event. The default setting
isshortCHASSIS#andGNDpinbyjumpercaptodisablethefunction.